Wen-Chau Liu

Position

 Distinguished Professor

Telephone number

+886-6-275-7575 ext.62354

FAX

+886-6-234-5482

E-mail

wcliu@mail.ncku.edu.tw

Lab

High Speed Devices Lab (92B21,EE Department Building,#1,Da-Tsuen Rd.,Tainan,Taiwan)

Courses

2010 Fall

2011 Spring

2011 Fall

2012 Spring

Educations

  • Ph.D., National Cheng Kung University, R.O.C. (1986)
  • M.S., National Cheng Kung University, R.O.C. (1981)
  • B.S., National Cheng Kung University, R.O.C. (1979)

Experiences

  • Instructor, Department of Electrical Engineering, National Cheng Kung University, R. O. C. (1983-1986)
  • Associate Professor, Department of Electrical Engineering, National Cheng Kung University, R. O. C. (1986-1992)
  • Professor, Department of Electrical Engineering, National Cheng Kung University, R. O. C. (1992-present)
  • Professor, Institute of Microelectronics, National Cheng Kung University (2000-present)
  • Distinguished Professor, National Cheng-Kung University (2002-present)
  • Director, Institute of Microelectronics, National Cheng-Kung University (2005/08-2008/07)

Specialities

  • Semiconductor Devices Physics
  • Epitaxy Growth
  • Compound Semiconductor Engineering
  • High Speed and Negative Differential Resistance Devices

Honors

  • Qualified Excellent-Grade of National Higher Civil Examination and Professional Electrical Expert Licence (Licence No.:5798), TAIWAN, ROC (Dec. 1979)
  • Qualified Medium-Grade of National Higher Civil Examination and Professional Electronic Expert Licence (Licence No.:6860), TAIWAN, ROC (Dec. 1982)
  • Member of Phi Tau Phi Scholastic Honor Society (June 1987)
  • Excellent Research Award, National Science Council, ROC (1994)
  • Research Award, National Science Council, ROC (1989~1993, 1995~2001)
  • Excellent Youth Engineer Award, Chinese Institute of Engineers Kaohsiung Chapter (June 1994)
  • Xerox Excellent Academic Paper Award (Sept. 1994)
  • Dragon Thesis Award (1996, 1997, 1998, 2005)
  • Outstanding Electrical Engineer Award, Chinese Institute of Engineers Kaohsiung Chapter (June 1999)
  • Outstanding Engineering Professor Award, Chinese Institute of Engineers (June 2005)
  • Master Thesis Award, National Science Council, ROC (2001, 2002)
  • Outstanding Paper Award, Taiwan Electronics Devices and Materials Association (Dec. 2001)
  • Lam Research Scientific Thesis Award (2003¡B2004)
  • UMC Scholarship (2004¡B2005)
  • Outstanding Teaching Professor (2006)
  • Who's who in Science and Engineering by Marquis Who's who, USA (1998/1999)
  • Who's who in the world by Marquis Who's who, USA (1999)
  • Who's who in Finance and Industry by Marquis Who's who, USA (2000/2001)
  • 2000 Outstanding Scientists of the 20th Century by International Biographical Center, Cambridge, England (1998)
  • International Directory of Distinguished Leadership by American Biographical Institute, North Carolina, USA (9th Edition)
  • World Lifetime Achievement Award by American Biographical Institute, North Carolina, USA (1999)
  • International Biographical Association Directory by International Biographical Centre (IBC), Cambridge, Great Briain (2005/2006)

Patents

USA Patents

  • Structure of the heterostructure-emitter and heterostructure-base transistor (HEHBT) (USP 5,698,862)
  • Pseudormorphic step-doped-channel field-effect transistor (USP 5,701,020)
  • Camel-gate field-effect transistor with multiple modulation-doped channels (USP 5,789,771)
  • Long-period superlattice resonant tunneling transistor (USP 5,828,077)
  • Structure of Metal-Insulator-Semiconductor-Like Multiple-Negative-Differential-Resistance Device (USP 5,831,297)
  • GaInP/GaInAs/GaAs Modulaion-Compositioned Channel Field-Effect Transistor (USP 5,838,030)
  • Low offset voltage AlInAs/InGaAs heterostructure-confinement bipolar transistor (USP 5,977,572)
  • Wide voltage operation regime double heterojunction bipolar transistor (USP 6,031,256)
  • Hydrogen-sensitive palladium (PD) membrane/semiconductor Schottky diode sensor (USP 6,160,278)
  • High barrier gate and tri-step doped channel field-effect transistor (USP 6,184,546B1)
  • Structure of metal-insulator-semiconductor-like multiple-negative-differenctial-resistance device and fabrication method thereof (USP 6,197,622B1)
  • Hydrogen Sensor (USP 6,293,137B1)
  • Superlatticed Negative-Differential-Resistance Functional Transistor (USP 6,118,136)
  • Fabrication process and structure of the metal-insulator-semiconductor-instlator-metal (MISIM) multiple-differential-resistance (MNDR) Device (USP 6,118,081B1)
  • High-breakdown voltage heterostructure field-effect transistor for high temperature operations (USP 6,465,815B2)
  • Negative-differential-resistance heterojunction bipolar transistor with topee-shaped current-voltage characteristics (USP 6,459,103 B1)
  • Heterojunction bipolar transistor with zero conduction band discontinuity (USP 6,791,126B2)
  • Process for preparing a hydrogen sensor (USP 6,800,499B2)
  • Semiconductor diode capable of detecting hydrogen at high temperatures (USP 6,969,900 B2)

ROC Patents

  • Structure of multiple modulation-doped-channel camel-like field-effect transistor and fabrication method thereof (Patent No.: 083,570)
  • Structure of heterostructure-emitter and heterostructure-base transistor and fabrication method thereof (Patent No.: 086,147)
  • Structure of metal-insulator- semiconductor-instlator-metal multiple-negative-differential-resistance switching device and fabrication method thereof (Patent No.: 086,148)
  • InGaP/InGaAs/GaAs step-compositioned-channel field-effect transistor (Patent No.: 090,829)
  • Structure of metal-insulator-semiconductor multiple-negative differential-resistance switching device and fabrication method thereof (Patent No.: 092,796)
  • Pseudomorphic step-doped-channel field-effect transistor (Patent No.: 093,300)
  • Long-period InGaAs/InAlAs superlattice resonant-tunneling transistor (Patent No.: 105,051)
  • High-power InGaP/GaAs/InGaP double £_-doped double heterojunction bipolar transistor (Patent No.: 110,390)
  • High-power InGaP/GaAs superlattice resonant-tunneling heterostructure transistor (Patent No.: 147,429)
  • Hetero-junction bipolar transistor (Patent No.: 111,997)
  • A kind of double heterojunction bipolar transistor structure with wide operating range for working point voltage (Patent No.: 112,321)
  • A super-lattice negative-differential-resistance transistor (Patent No.: 112,406)
  • Hydrogen-sensitive palladium (Pd) membrane/semiconductor Schottky diode sensor (Patent No.: 113,379)
  • A high breakdown voltage, low leakage current metal insulator semiconductor (MIS) field-effect transistor (Patent No.: 116,848)
  • Low offset voltage aluminum indium arsen/gallium indium arsen hetreo-junction bipolar transistor (HBT) (Patent No.: 120,842)
  • Heterojunction bipolar transistor having continuous conductive band structure (Patent No.: 128,869)
  • Hydrogen sensor (Patent No.: 136,438)
  • Process for preparing a hydrogen sensor (Patent No.: 138,042)
  • A resonant-tunneling heterostructure bipolar transistor (Patent No.: 135,646)
  • High-breakdown voltage heterostructure field-effect transistor for high-temperature operations (Patent No.: 140,772)
  • Heterojunction bipolar transistor device with sun-hat-shaped negative differential resistance characteristic (Patent No.: 134,829)
  • Reversed single atomic layer of doped transistor device with channel area composed of InGaAs (Patent No.: 141,813)
  • Light controllable multiple negative-differential-resistance switching device (Patent No.: 142,484)
  • High barrier gate field effect transistor structure (Patent No.: 146,640)
  • Composite doped channel heterostructure field-effect transistor (Patent No.: 158,646)
  • Metal-insulator-semiconductor transistor hydrogen sensor and its manufacture method (Patent No.: 168,676)
  • InGaP/AlGaAs/GaAs hetero-junction bipolar transistor with zero conduction band discontinuity (Patent No.: 180,781)
  • Double channel pseudomorphic high electron mobility transistor (Patent No.: 189,414)
  • Hydrogen sensor suitable for high temperature operation and method for producing the same (Patent No.: 195,317)
  • Heterostructure field-effect transistor (Patent No.: 202,534)
  • Hydrogen sensor (Patent No.: 204,262)
  • Hydrogen sensor and fabrication method thereof (Patent No.: 202,519)
  • Double hetero-junction bipolar transistor having continuous conduction band structure (Patent No.: 205,862)
  • Field-effect transistor-type hydrogen sensor (Patent No.: 269,034)
  • Hydrogen sensor device and method for fabricating the same (Patent No.: I274152)
  • Heterostructure field-effect transistor and its manufacture method (Patent No.: I298,539)
  • Hydrogen sensor and applications therof (Patent No.: I311199)

Publication List

A. Refereed Papers

(1)           W. C. Liu, C. Y. Chang, W. C. Hsu, Y. K. Fang, B. S. Wu, and R. C. Liu, ¡§The V-groove technique in the fabrication of high-voltage junction device,¡¨ Int. J. Electronics, vol. 55, no. 3, pp. 417-424, 1983. (EI)

(2)           C. Y. Chang, W. C. Hsu, C. M. Uang, Y .K. Fang, W. C. Liu, ¡§A simple and low cost personal computer-based automatic deep level transient spectroscopy system for semiconductor devices analysis,¡¨ IEEE. Trans. Instrum. Meas., 1M-33, no. 4, pp. 259-263, 1984. (EI)

(3)           C. Y. Chang, W. C. Hsu, C. M. Uang, Y. K. Fang, W. C. Liu, and B. S. Wu,  ¡§Personal computer-based automatic measurement system applicable to deep-level transient spectroscopy,¡¨ Rev. Sci. Instrum., vol. 55, no. 4, pp. 637-639, 1984. (EI)

(4)           C. Y. Chang, Y. H. Wang, W. C. Liu, and S. A. Liao, ¡§Temperature-dependent characteristics of MBE-grown GaAs p+-v-p+-v-n+ regenerative switching device,¡¨ Electron. Lett., vol. 21, no. 1, pp. 24-25, 1985. (EI)

(5)           C. Y. Chang, Y. H. Wang, W. C. Liu, and S. A. Liao, K. Y. Cheng, ¡§MBE grown circular U-groove barrier transistor,¡¨ Appl. Phys. Lett., vol. 46, pp. 1084-1086, 1985.

(6)           C. Y. Chang, Y. H. Wang, W. C. Liu, and S. A. Liao, ¡§MBE grown n+-i-(p+)-i-n+ GaAs V-groove barrier transistor,¡¨ IEEE Electron Device Lett., vol. 6, no. 3, pp. 123-125, 1985. (EI)

(7)           Y. H. Wang, W. C. Liu, S. A. Liao, K. Y. Cheng, and C. Y. Chang, ¡§On the surface defects of MBE-grown GaAs layers,¡¨ Jpn. J. Appl. Phys., vol. 24, no. 5, pp. 628-629, 1985. (EI)

(8)           W. C. Liu, Y. H. Wang, C. Y. Chang, and S. A. Liao, April, ¡§GaAs n-i-p-i-n barrier transistor with ultra-thin p AlGaAs base prepared by molecular beam epitaxy,¡¨ IEE Proc. (I), vol. 133, no. 2, pp. 47-48, 1986. (EI, SCI)

(9)           Y. H. Wang, W. C. Liu, C. Y. Chang, and S. A. Liao, Jan/Feb, ¡§Surface morphologies of GaAs layers grown by arsenic-pressure-controlled molecular beam epitaxy,¡¨ J. Vac. Sci. Technol. B, vol. 4, no. 1, pp. 30-36, 1986. (EI, SCI)

(10)       C. Y. Chang, W. C. Liu, M. S. Jame, Y. H. Wang, S. Luryi, and S. M. Sze, ¡§Induced base transistor grown by molecular beam epitaxy,¡¨ IEEE Electron Device Lett., vol.7, pp. 497-499, 1986.

(11)       W. C. Liu, W. C. Hsu, W. S. Lour, R. L. Wang, and C. Y. Chang, ¡§MBE grown undoped superlattice gate and modulation-doped buffer structure for power FET applications,¡¨ Jpn. J. Appl. Phys., vol. 28, no. 6, pp. L904-906, 1989. (EI, SCI)

(12)       W. C. Liu, W. S. Lour, and C. Y. Chang, ¡§Application of superlattice gate and modulation-doped buffer for GaAs power MESFET grown by MBE,¡¨ Appl. Phys. A- Solids & Surface, vol. 49, no. 3, pp. 321-324, 1989. (EI, SCI)

(13)       W. C. Liu, C. Y. Chang, W. C. Hsu, W. S. Lour, and R. L. Wang, ¡§Superlattice gate and graded superlattice buffer for microwave power MESFET grown by MBE,¡¨ J. Vac. Sci. Technol. B, vol. 7, no. 4, pp. 589-592, 1989. (SCI)

(14)       W. C. Liu, R. L. Wang, W. S. Lour, C. Y. Sun, and C. C. Hong, ¡§Electronic transport in graded-period delta-doped superlattice,¡¨ Jpn. J. Appl. Phys., vol. 29, no. 1, pp. L7-L9, 1990. (EI, SCI)

(15)       W. C. Liu, ¡§Investigation of electrical and photoluminescent properties of MBE-grown AlxGa1-xAs layers,¡¨ J. Mat. Sci., vol. 25, no. 3, pp. 1765-1772, 1990. (EI, SCI)

(16)       W. C. Liu, W. S. Lour, C. Y. Sun, R. L. Wang, and W. C. Hsu, ¡§A study on beryllium-doped AlxGa1-xAs layers grown by molecular beam epitaxy,¡¨ Mat. Sci. & Eng., vol. 6, no. 1, pp. 43-48, 1990. (EI, SCI)

(17)       W. C. Liu, W. S. Lour, and C. Y. Sun, ¡§GaAs power metal-insulator-semiconduction field effect transistor with superlattice and superlattice buffer structure,¡¨ Thin Solid Films, vol. 188, no. 2, pp. 213-218, 1990. (EI, SCI)

(18)       Wen-Chau Liu and Wen-Shiung Lour, ¡§Power MISFETs fabricated with superlatticed gate ¡§Insulators¡¨ and transition buffer layers,¡¨ Solid-State Electron., vol. 33, no. 8, pp. 1019-1024, 1990. (EI, SCI)

(19)       Wen-Chau Liu, Ching-Hsi Lin, Chung-Yih Sun and Wen-Shiung Lour, ¡§S-shaped negative differential resistance in a single GaAs quantum-well switching device,¡¨ Jpn. J. Appl. Phys., vol. 29, no. 8, pp. L1385-1387, 1990. (EI, SCI)

(20)       W. C. Liu, W. S. Lour, C. Y. Sun, and H. R.Chen, ¡§A novel very high breakdown voltage FET prepared by molecular beam epitaxy,¡¨ Thin Solid Films, vol. 195, no. 1-2, pp. 1-6, 1991. (EI, SCI)

(21)       Wen-Chau Liu, ¡§Three-terminal voltage-controlled GaAs quantum well switching device,¡¨ Solid-State Electron., vol. 34, no. 2, pp. 163-166, 1991. (EI, SCI) (NSC-79-0404-E006-10)

(22)       Wen-Chau Liu, Chung-Yih Sun, and Wen-Shiung Lour, ¡§Characteristics of the GaAs monolayer-doped structure and its applications for power field- effect transistor fabrication,¡¨ Mat. Sci. & Eng., vol. 7, no. 4, pp. 275-281, 1991. (EI, SCI)

(23)       Wen-Chau Liu and Wen-Shiung Lour, ¡§Influence of the potential spike on heterostructure-emitter bipolar transistor,¡¨ J. Appl. Phys., vol. 69, no. 2, pp. 1063-1066, 1991. (SCI)

(24)       Wen-Chau Liu, Chung-Yih Sun,and Wen-Shiung Lour, ¡§Investigation on electronic properties of semiconductor delta-doped structure,¡¨ Superlatt. Microstruct., vol. 10, no. 1, pp. 19-26, 1991. (EI, SCI)

(25)       Wen-Chau Liu and Wen-Shiung Lour, ¡§AlGaAs/GaAs heterostructure-emitter bipolar transistor (HEBT) prepared by molecular beam epitaxy,¡¨ Solid-State Electron., vol. 34, no. 7, pp. 717-722, 1991. (EI, SCI)

(26)       Wen-Chau Liu, Ching-Hsi Lin, Yeong-Shyang Lee, and Der-Feng Guo, ¡§GaAs quantum well negative differential resistance device prepared by molecular beam epitaxy,¡¨ J. Vac. Sci. Technol. B, vol. 9, no. 2, pp. 243-248, 1991. (SCI)

(27)       Wen-Chau Liu and Chung-Yih Sun, ¡§Properties of sawtooth doping superlattice with different delta-doped density,¡¨ Jpn. J. Appl. Phys., vol. 30, no. 4, pp. 635-636, 1991. (EI, SCI)

(28)       W. C. Liu, C. Y. Sun, and W. S. Lour, ¡§Observation of multi-state negative differential conductivity in periodic delta-doped superlattice,¡¨ IEE Proc. (G), vol. 138, no. 3, pp. 424-426, 1991. (EI, SCI)

(29)       Wen-Shiung Lour and Wen-Chau Liu, ¡§Negative-differential- resistance (NDR) superlattice-emitter transistor,¡¨ Jpn. J. Appl. Phys., vol. 30, no. 4A, pp. L564-567, 1991. (EI, SCI)

(30)       Wen-Chau Liu and Wen-Shiung Lour, ¡§Applications of transition-emitter superlattice to biploar transistor,¡¨ Jpn. J. Appl. Phys., vol. 30, no. 4A, pp. L561-563, 1991. (EI, SCI)

(31)       Wen-Chau Liu and Wen-Shiung Lour, ¡§A new functional, resonant-tunneling bipolar transistor with a superlattice emitter,¡¨ J. Appl. Phys., vol. 70, no. 1, pp. 485-489, 1991. (SCI)

(32)       Wen-Chau Liu and Wen-Shiung Lour, ¡§Temperature-dependence of double negative differential resistance of superlattice-emitter transistor,¡¨ Solid-State Electron., vol. 34, no. 8, pp. 921-924, 1991. (EI, SCI)

(33)       W. C. Liu, C. Y. Sun, and W. S. Lour, ¡§Characteristics of the GaAs graded-period delta-doped superlattice,¡¨ IEE. Proc. (G), vol. 138, no. 6, pp. 629-632, 1991. (EI, SCI)

(34)       Wen-Chau Liu, Der-Feng Guo, and Yeong-Shyang Lee, ¡§A confinement-collector        GaAs switching decvice prepared by molecular beam epitaxy,¡¨ Jpn. J. Appl. Phys., vol. 30, no. 9A, pp. 1937-1939, 1991. (EI, SCI)

(35)       Wen-Chau Liu, Yeong-Shyang Lee, and Der-Feng Guo, ¡§A new resonant-tunneling bipolar transistor with triple-well emitter structure,¡¨ Solid-State Electron., vol. 34, no. 12, pp. 1457-1459, 1991. (SCI)

(36)       Wen-Chau Liu and Chung-Yih Sun, ¡§Electronic transport characteristics in GaAs double-sawtooth-doping superlattice structure,¡¨ Jpn. J. Appl. Phys., vol. 30, no. 8B, pp. L1519-L1521, 1991. (EI, SCI)

(37)       Wen-Chau Liu and Wen-Shiung Lour, ¡§An improved heterostructure-emitter bipolar transistor (HEBT),¡¨ IEEE. Electron Device Lett., vol. 12, no. 9, pp. 474-476, 1991. (EI, SCI)

(38)       Wen-Chau Liu and Chung-Yih Sun, ¡§A new GaAs n+-p-d(n+)-i-d(p+)-i-n+ switching device grown by molecular beam epitaxy,¡¨ IEE Electron Lett., vol. 27, no. 19, pp. 1704-1706, 1991. (EI, SCI)

(39)       Wen-Chau Liu, Der-Feng Guo, Chung-Yih Sun, and Wen-Shiung Lour, ¡§Morphological defects on Be-doped AlGaAs layers grown by MBE,¡¨ J. Cryst. Growth, vol. 114, no. 4, pp. 700-706, 1991. (EI, SCI)

(40)       Chung-Yih Sun and Wen-Chau Liu, ¡§Properties of p-GaAs/Sawtooth Doping superlattice/n+-GaAs Structure Prepared by Molecular Beam Epitaxy¡¨, Appl. Phys. Lett., vol. 59, no. 22, pp. 2823-2825, 1991. (SCI)

(41)       Wen-Shiung Lour, Wen-Chau Liu and Yeong-Her Wang, ¡§Investigation of hetrostructure-confinement-emitter transistors,¡¨ Solid-State Electron., vol. 35, no. 2, pp. 117-124, 1992. (SCI)

(42)       Wen-Chau Liu and Der-Feng Guo, ¡§A new GaAs switching device with double-confinement-collector structure,¡¨ Solid-State Electron., vol. 35, no. 4, pp. 501-504, 1992. (EI, SCI)

(43)       Wen-Chau Liu, Wen-Shiung Lour, and Der-FengGuo, ¡§New AlGaAs/GaAs double hetrostructure-emitter bipolar transistor prepared by molecular beam epitaxy,¡¨ Appl. Phys. Lett., vol. 60, no. 3, pp. 362-364, 1992. (EI, SCI)

(44)       Wen-Chau Liu, Chung-Yih Sun, Wen-Shiung Lour, and Der-Feng Guo, ¡§Application of sawtooth doping superlattice for negative-differential-resistance devices fabrication,¡¨ J. Vac. Sci. Technol. B, vol. 10, no. 1, pp. 60-66, 1992. (EI, SCI)

(45)       Chung-Yih Sun and Wen-Chau Liu, ¡§A new GaAs bipolar transistor with a doping-superlattice collector,¡¨ Solid-State Electron., vol. 35, no. 6, pp. 751-757, 1992. (EI, SCI)

(46)       Wen-Shiung Lour, Wen-Chau Liu, Der-Feng Guo, and Rong-Chau Liu, ¡§Modeling the DC performance of hetrostructure-emitter bipolar transistor,¡¨ Jpn. J. Appl. phys., vol. 31, no. 8, pp. 2388-2393, 1992. (EI, SCI)

(47)       Wen-Chau Liu, Wen-Shiung Lour, and Yeong-Her Wang, ¡§Investigation of AlGaAs/GaAs superlattice-emitter resonant-tunneling bipolar transistor (SE-RTBT),¡¨ IEEE Trans. Electron Device, vol. 39, no. 10, pp. 2214-2219, 1992. (SCI)

(48)       Wen-Chau Liu, Chung-Yih Sun, and Der-Feng Guo, ¡§Regenerative switching properties of a sawtooth-doping-superlattice-collector bipolar transistor,¡¨ Appl. Phys. Lett., vol. 61, no. 4, pp. 471-473, 1992. (EI, SCI)

(49)       Chung-Yih Sun and Wen-Chau Liu, ¡§A new GaAs sawtooth-doping-superlattice switching device,¡¨ J. Appl. Phys., vol. 72, no. 4, pp. 1616-1620, 1992. (EI, SCI)

(50)       Wen-Chau Liu, Der-Feng Guo, and Wen-Shiung Lour, ¡§Application of an emitter-edge thinning technique to GaAs/AlGaAs double hetrostructure-emitter bipolar transistor,¡¨ Appl. Phys. Lett., vol. 61, no. 12, pp. 1441-1443, 1992. (SCI)

(51)       Wen-Chau Liu, Der-Feng Guo, and Wen-Shiung Lour, ¡§AlGaAs/GaAs double hetrostructure-emitter bipolar transistor (DHEBT),¡¨ IEEE Trans. Electron Device, vol. 39, no. 12, pp. 2740-2744, 1992. (EI, SCI)

(52)       Der-Feng Guo, Wen-Chau Liu, Wen-Shiung Lour, Chung-Yih Sun, and Rong-Chau Liu, ¡§Application of a triple-well superlattice-emitter structure to GaAs switching device,¡¨ J. Appl. Phys., vol. 72, no. 9, pp. 4414-4416, 1992. (EI, SCI)

(53)       Wen-Shiung Lour, Wen-Chau Liu, Chung-Yih Sun, Der-Feng Guo, and Rong-Chau Liu, ¡§Multi-State superlattice-emitter resonant-tunneling bipolar transistor with circuit applications,¡¨ Superlatt. Microstruct., vol. 13, no. 1, pp. 81-86, 1993. (SCI)

(54)       Chung-Yih Sun, Wen-Chau Liu, Der-Feng Guo, Wen-Shiung Lour, and Rong-Chau Liu, ¡§Fabrication of heterostructure-emitter bipolar transistor with a doping-superlattice collector,¡¨ Superlatt. Microstruct., vol. 13, no. 1, pp. 75-79, 1993. (SCI)

(55)       Wen-Chau Liu, Chung-Yih Sun, Der-Feng Guo, and Rong-Chau Liu,  ¡§Perpendicular transport properties of p-GaAs/d-doped superlattice/n+-GaAs structure,¡¨ IEE Proc. (G), vol. 140, no. 2, pp. 81-84, 1993. (EI, SCI)

(56)       Wen-Chau Liu, Chung-Yih Sun, Wei-Chou Hsu, and Der-Feng Guo, ¡§Application of doping-superlattice collector structure for GaAs bipolar transistor,¡¨ Jpn. J. Appl. Phys., vol. 32, no. 4, pp. 1575-1582, 1993. (EI, SCI)

(57)       Wei-Chou Hsu, Der-Feng Guo, Wen-Chau Liu, and Wen-Shiung Lour, ¡§A tristate device with double delta-doped quantum well structure,¡¨ Solid-State Electron., vol. 36, no. 8, pp. 1089-1092, 1993. (EI, SCI)

(58)       Wei-Chou Hsu, Wen-Chau Liu, Der-Feng Guo, and Wen-Shiung Lour, ¡§GaAs-InGaAs double delta-doped quantum-well switching device prepared by molecular beam epitaxy,¡¨ Appl. Phys. Lett., vol. 62, no. 13, pp. 1504-1506, 1993. (SCI)

(59)       Wei-Chou Hsu, Der-Feng Guo, Wen-Chau Liu, and Wen-Shiung Lour,  ¡§Characteristics of a GaAs-inGaAs delta-doped quantum-well switch,¡¨ J. Appl. Phys., vol. 73, no. 15, pp. 8615-8617, 1993. (SCI)

(60)       Der-Feng Guo, Wen-Chen Yeou, Wen-Shiung Lour, Wei-Chou Hsu, and Wen-Chau Liu, ¡§Regenerative switching phenomenon of a GaAs metal-n-d(p+)-n-n+ structure,¡¨ Jpn. J. Appl. Phys., vol. 32, no. 7B, pp. L1011-L1013, 1993. (EI, SCI)

(61)       Der-Feng Guo, Shiuh-Ren Yih, Jing-Tong Liang and Wen-Chau Liu, ¡§Characteristics of a GaAs Metal-n+-n-d(p+)-n-n+ Switch,¡¨ Solid-State Electron., vol. 37, no. 2, pp. 223-229, 1994. (EI, SCI)

(62)       Wen-Chau Liu, Der-Feng Guo, Shiuh-Ren Yih, Jing-Tong Liang, Lih-Wen Laih, and Gau-ming Lyuu, ¡§GaAs-InGaAs quantum-well resonant-tunneling switching device grown by molecular beam epitaxy,¡¨ Appl. Phys. Lett., vol. 64, no. 20, pp. 2685-2687, 1994. (EI, SCI)

(63)       C. L. Wu, W. C. Hsu, H. M. Shieh, and W. C. Liu, ¡§Mobility Enhancement in Double d-Doped GaAs/InXGa1-XAs/GaAs Pseudomorphic Structure by Grading the Heterointerfaces,¡¨ Appl. Phys. Lett., vol. 64, no. 22, pp. 3027-3029, 1994. (EI, SCI)

(64)       Wen-Chau Liu, Wei-Chou Hsu, Lih-Wen Laih, and Jung-Hui Tsai, ¡§Performance enhancement in a metal-insulator-semiconductor-like pseudomorphic transistor by utilizing an n--GaAs/n+-In0.2Ga0.8As two-layer structure,¡¨ Appl. Phys. Lett., vol. 66, no. 12, pp. 1524-1526, 1995. (EI, SCI)

(65)       Der-Feng Guo, Lih-Wen Laih, Jung-Hui Tsai, Wen-Chau Liu, and Wei-Chou Hsu, ¡§Characteristics of a GaAs-InGaAs quantum-well resonant-tunneling switch,¡¨ J. Appl. Phys., vol. 77, no. 6, pp. 2782-2785, 1995. (EI, SCI)

(66)       M. J. Kao, W. C. Hsu, H. M. Shieh, W. C. Liu, and C. Y. Chang, ¡§High carrier density in GaAs/InGaAs/GaAs double delta-doped channels heterostructure,¡¨ Jpn. J. Appl. Phys., vol. 34, no. 1A, pp. L1-L3, 1995. (SCI)

(67)       Y. H. Wu, J. S. Su, W. C. Hsu, W. Lin, and W. C. Liu, ¡§Characteristics of In0.53Ga0.47As/InP double and single heterojunction-emitter bipolar transistors grown by LP-MOCVD,¡¨ Solid-State Electron., vol. 38, no. 4, pp. 767-769, 1995. (EI, SCI)

(68)       Y. H. Wu, J. S. Su, W. C. Hsu, W. C. Liu, and W. Lin, ¡§A new InP-based hetrojunction bipolar transistor utilizing an In0.53Al0.22Ga0.25As base,¡¨ Appl. Phys. Lett., vol. 66, no. 6, pp. 347-348, 1995. (EI, SCI)

(69)       Y. H. Wu, J. S. Su, W. C. Hsu, W. Lin, and W. C. Liu, ¡§Electrical characteristic of a lattice-matched In0.53Al0.22Ga0.25As/InP heterojunction bipolar transistor with zero potential spike at emitter-base heterojunction,¡¨ Solid-State Electron., vol. 38, no. 4, pp. 1755-1757, 1995. (EI, SCI)

(70)       Wei-Chou Hsu, Chang-Luen Wu, Ming-Shang Tsai, Chau-Yen Chang, Wen-Chau Liu, and Hir-Ming Shied, ¡§Characterization of high performance inverted delta-modulation-doped (IDMD) GaAs/InGaAs pseudomorphic heterostructure FET¡¥s,¡¨ IEEE Trans. Electron Device, vol. 42, no. 5, pp. 804-809, 1995. (EI, SCI)

(71)       Wen-Chau Liu, Lih-Wen Laih, Jung-Hui Tsai, Wei-Chou Hsu, Cheng-Zu Wu, and Hong-Beng Thei, ¡§Observation of the anomalous current-voltage characteristics of GaAs/n+-InGaAs/GaAs doped-channel structure,¡¨ Appl. Phys. Lett., vol. 67, no. 3, pp. 404-406, 1995. (EI, SCI)

(72)       Lih-Wen Laih, Jung-Hui Tsai, Wen-Chau Liu, Wei-Chou Hsu, and Wen-Shiung Lour, ¡§Investigation of an InGaAs-GaAs doped-channel MIS-like pseudomorphic transistor,¡¨ Solid-State Electron., vol. 38, no. 10, pp. 1747-1753, 1995. (EI, SCI)

(73)       Wen-Shiung Lour, Wen-Chau Liu, Jung-Hui Tsai, and Lih-Wen Laih, ¡§High-performance camel-gate field effect transistor using high-medium-low doped structure,¡¨ Appl. Phys. Lett., vol. 67, no. 18, pp. 2636-2638, 1995. (EI, SCI) (NSC-83-0404-E-006-016)

(74)       Wen-Chau Liu, Jung-Hui Tsai, Lih-Wen Laih, Cheng-Zu Wu, Kong-Beng Thei, Wen-Shiung Lour, and Der-Feng Guo, ¡§Heterostructure confinement effect on the negative-differential-resistance (NDR) bipolar transistor,¡¨ Superlattices and Microstructures, vol. 17, no. 4, pp. 445-456, 1995. (EI, SCI)

(75)       Yu-Huei Wu, Jan-Shing Sue, Wei-Chou Hsu, Wei Lin, Wen-Chau Liu, Ming-Jer Kao and Rong-Tay Hsu, ¡§Emitter edge-thinning effect on InGaAs/InP double-heterostructure-emitter bipolar transistor,¡¨ Jpn. J. Appl. Phys. vol. 34, no. 11, pp. 5908-5911, 1995. (EI, SCI)

(76)       Wen-Chau Liu, Jung-Hui Tasi, Wen-Shiung Lour, Lih-Wen Laih, Kong-BengThei, and Cheng-Zu Wu, ¡§Multiple negative-differential-resistance (NDR) of InGaP/GaAs heterostructure-emitter bipolar trasistor (HEBT),¡¨ IEEE Electron Device Lett., vol. 17, no. 3, pp. 130-132, 1996. (EI, SCI)

(77)       Wen-Shiung Lour, Jung-Hui Tasi, Wen-Chau Liu, and Lih-Wen Laih, ¡§Influence of channel doping-profile on camel-gate field-effect transistor,¡¨ IEEE Trans. Electron Devices, vol. 43, no. 6, pp. 871-876, 1996. (EI, SCI)

(78)       Wen-Shiung Lour, Wen-Chau Liu, Jung-Hui Tasi, and Lih-Wen Laih, ¡§Device linearity improvement and current enhancement utilizing high-to-low doped-channel FET¡¥s,¡¨ Superlatt. Microstruct., vol. 20, no. 1, pp. 15-23, 1996. (EI, SCI)

(79)       Jung-Hui Tsai, Wen-Shiung Lour, Lih-Wen Laih, Rong-Chau Liu, and Wen-Chau Liu, ¡§Characteristics of camel-gate structures with active doping channel profiles,¡¨ Solid-State Electron., vol. 39, no. 3, pp. 343-347, 1996. (EI, SCI)

(80)       Lih-Wen Laih, Wen-Chau Liu, Jung-Hui Tasi, Wei-Chou Hsu, Yuan-Tzu Ting, and Rong-Chau Liu, ¡§Anomalous negative-differential-resistance (NDR) characteristics of n+-GaAs/n--GaAs/n+-In0.2Ga0.8As/i-GaAs structure,¡¨ Superlatt. Microstruct., vol. 20, no. 1, pp. 7-13, 1996. (EI, SCI)

(81)       Kong-Beng Thei, Jung-Hui Tasi, Wen-Chau Liu, and Wen-Shiung Lour, ¡§Characteristics of functional heterostructure-emitter bipolar transistor (HEBTs),¡¨ Solid-State Electron., vol. 39, no. 8, pp. 1137-1142, 1996. (EI, SCI)

(82)       Cheng-Zu Wu, Lih-Wen Laih, and Wen-Chau Liu, ¡§Study of InGaAs/GaAs metal-insulator-semiconductor-like heterostructure field-effect transistor,¡¨ Solid-State Electron., vol. 39, no. 6, pp. 791-795, 1996. (EI, SCI)

(83)       Wen-Chau Liu, Lih-Wen Laih, Wen-Shiung Lour, Jung-Hui Tsai, Kun-Wei Lin, and Chin-Chau Cheng, ¡§Multiple-route current-voltage (I-V) characteristics of GaAs-InGaAs metal-insulator semiconductor-like (MIS) structure for multiple-valued logic applications,¡¨ IEEE J. Quantum Electron., vol. 32, no. 9, pp. 1615-1619, 1996. (EI, SCI)

(84)       Jung-Hui Tsai, Lih-Wen Laih, Hui-Jung Shih, Wen-Chau Liu, and Hao-Hsiung Lin, ¡§On the recombination currents effect of heterostructure-emitter bipolar transistors (HEBTs),¡¨ Solid-State Electron., vol. 39, no. 12, pp. 1723-1730, 1996. (EI, SCI)

(85)       Jung-Hui Tsai, Shiou-Ying Cheng, Lih-Wen Laih, and Wen-Chau Liu, ¡§AlGaAs/InGaAs/GaAs heterostructure-emitter and heterostructure-base transistor (HEHBT),¡¨ Electron. Lett., vol. 32, no. 18, pp. 1720-1721, 1996. (EI, SCI)

(86)       Lih-Wen Laih, Jung-Hui Tsai, Cheng-Zu Wu, Kun-Wei Lin, Chin-Chuan Cheng, and Wen-Chau Liu, ¡§Pseudomorphic step-doped-channels field-effect transistor (SDCFET),¡¨ Electron. Lett., vol. 32, no. 15, pp. 1418-1419, 1996. (EI, SCI)

(87)       Lih-Wen Laih, Cheng-Zu Wu, Shiou-Ying Cheng, Jung-Hui Tsai, and Wen-Chau Liu, ¡§Anomalous negative-differential-resistance (NDR) characteristics of step-doped-channel transistor (SDCT),¡¨ Electron. Lett., vol. 32, no. 21, p.2014-2015, 1996. (EI, SCI)

(88)       Der-Feng Guo, Chin-Chuan Chang, Kun-Wei Lin, Wen-Chau Liu, and Wei Lin, ¡§A multiple-negative-differential-resistance switch with double InGaP barriers,¡¨ Appl. Phys. Lett., vol. 69, no. 27, pp. 4185-4187, 1996. (EI, SCI)

(89)       Lih-Wen Laih, Wen-Shiung Lour, Jung-Hui Tsai, Wen-Chau Liu, Cheng-Zu Wu, Kong-Beng Thei, and Rong-Chau Liu, ¡§Characteristics of metal-insulated-semiconductor (MIS) like In0.2Ga0.8As/GaAs doped-channel structure,¡¨ Solid-State Electron., vol. 39, no. 1, pp. 15-20, 1996. (EI, SCI)

(90)       Wen-Chau Liu, Lih-Wen Laih, Jung-Hui Tsai, Kun-Wei Lin, and Chin-Chuan Cheng, ¡§InGaAs-GaAs pseudomorphic heterostructure transistor prepared by MOVPE,¡¨ J. Crystal Growth, vol. 170, no. 1-4, pp. 438-441, 1997. (EI, SCI)

(91)       Kun-Wei Lin, Lih-Wen Laih, and Wen-Chau Liu, ¡§Investigation of InGaAs based pseudomorphic step-doped-channel field-effect transistor (SDCFET),¡¨ Solid-State Electron., vol. 41, no. 3, pp. 381-385, 1997. (EI, SCI)

(92)       Lih-Wen Laih, Shiou-Ying Cheng, Wei-Chou Wang, Po-Hung Lin, Jing-Yuh Chen, Wen-Chau Liu, and Wei Lin, ¡§High-performance InGaP/InGaAs/GaAs step-compositioned doped-channel field-effect transistor (SDCFET),¡¨ Electron. Lett., vol. 33, no. 1, pp. 98-99, 1997. (EI, SCI)

(93)       Chin-Chuan Cheng, Jung-Hui Tsai, and Wen-Chau Liu, ¡§Multiple switching phenomena of AlGaAs/InGaAs/GaAs heterostructure transistors,¡¨ Jpn. J. Appl. Phys., vol. 36, no. 3A, pp. 980-983, 1997. (EI, SCI)

(94)       Wen-Chau Liu, Jung-Hui Tsai, Wen-Shiung Lour, Lih-Wen Laih, Kong-Beng Thei and Cheng-Zu Wu, ¡§A novel InGaP/GaAs S-shaped negative-differential-resistance (NDR) switching for multiple-valued logic application,¡¨ IEEE Trans. Electron Devices, vol. 44, no. 4, pp. 520-525, 1997. (EI, SCI)

(95)       Jung-Hui Tsai, Shiou-Ying Cheng, Po-Hung Lin, Wei-Chou Wang, Jing-Yuh Chen, and Wen-Chau Liu, ¡§Modeling and analysis of heterostructure-emitter and heterostructure-base transistors (HEHBT¡¦s),¡¨ Solid-State Electron., vol. 41, no. 8, pp. 1089-1094, 1997. (EI, SCI)

(96)       Jung-Hui Tsai, Hui-Jung Shih, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Regenerative switching phenomenon of a graded AlxGa1-xAs/InGaAs/GaAs heterostructure,¡¨ Thin Solid Film, vol. 304, no. 1-2, pp. 201-203, 1997. (EI, SCI)

(97)       Shiou-Ying Cheng, Po-Hung Lin, Wei-Chou Wang, Jing-Yuh Chen, Wen-Chau Liu, and Wei Lin, ¡§AlInAs/InGaAs long-period-superlattice resonant-tunneling transistor (LPSRTT),¡¨ Electron. Lett., vol. 33, no. 6, pp. 534-535, 1997. (EI, SCI)

(98)       Wen-Chau Liu, Jung-Hui Tsai, Lih-Wen Laih, and Shiou-Ying Cheng, ¡§Multiple quantized switching behaviours (MQSB) of functional heterostructure-emitter bipolar transistors (HEBTs) with multiple carrier confinement heterostructures,¡¨ Semicond. Sci. Technol., vol. 12, no. 5, pp. 614-622, 1997. (EI, SCI)

(99)       Lih-Wen Laih, Shiou-Ying Cheng, Kun-Wei Lin, Po-Hung Lin, Jing-Yuh Chen, Wei-Chou Wang, and Wen-Chau Liu, ¡§Investigation of a step-doped-channel negative-differential-resistance transistor,¡¨ Jpn. J. Appl. Phys., vol. 36, no. 5A, pp. 2617-2620, 1997. (EI, SCI)

(100)   Wen-Chau Liu, Lih-Wen Laih, Cheng-Zu Wu, Shiou-Ying Cheng, and Jung-Hui Tsai, ¡§Observation of the multiple negative-differential-resistance of metal-insulator-semiconductor-like structure with step-compositioned InxGa1-xAs quantum wells,¡¨ IEEE Electron Device Lett., vol. 18, no. 4, pp. 129-131, 1997. (EI, SCI)

(101)   Jung-Hui Tsai, Huey-Ing Chen and Wen-Chau Liu, ¡§Heterostructure-emitter and pseudomorphic base transistor (HEPBT) with a graded AlxGa1-xAs confinement layer,¡¨ Mat. Chem. Phys., vol. 51, no. 2, pp. 114-116, 1997. (EI, SCI)

(102)   Jung-Hui Tsai, Shiou-Ying Cheng, Wen-Shiung Lour, Wen-Chau Liu, and Hao-Hsiung Lin, ¡§Investigation of AlInAs/GaInAs heterostructure-emitter-confinement bipolar transistors,¡¨ Semicond. Sci. Technol., vol. 12, no. 9, pp. 1135-1139, 1997. (SCI)

(103)   Shiou-Ying Cheng, Wen-Lung Chang, Wen-Chau Liu, and Wei-Lin, ¡§Investigation of an AlInAs/GaInAs superlattice-emitter resonant tunneling bipolar transistor (SE-RTBT),¡¨ Superlatt. Microstruct., vol. 22, no. 4, pp. 541-549, 1997. (EI, SCI)

(104)   Shiou-Ying Cheng, Wen-Chau Liu, and Wei-Lin, ¡§Investigation of an AlInAs/GaInAs long-period-superlattice resonant-tunneling transistor,¡¨ Solid- State Electron., vol. 41, no. 11, pp. 1707-1713, 1997. (EI, SCI)

(105)   Wen-Chau Liu, Shiou-Ying Cheng, Jung-Hui Tsai, Po-Hung Lin, Jing-Yuh Chen, and Wei-Chou Wang, ¡§InGaP/GaAs superlattice-emitter resonant tunneling bipolar transistor (SE-RTBT),¡¨ IEEE Electron Devcie Lett., vol. 18, no. 11, pp. 515-517, 1997. (EI, SCI)

(106)   Lih-Wen Laih, Jung-Hui Tsai, Cheng-Zu Wu, Shiou-Ying Cheng, and Wen-Chau Liu,  ¡§Investigation of step-doped channel heterostructure field-effect transistor,¡¨ IEE Proc.-Circuits Devices Syst., vol. 144, no. 5, pp. 309-312, 1997. (EI, SCI)

(107)   Wen-Chau Liu, Lih-Wen Laih, Wen-Lung Chang, and Shiou-Ying Cheng, ¡§High-performance heterostructure field-effect transistor (HFETs) with step-modulationed InGaAs channel structure,¡¨ Mat. Chem. Phys., vol. 52, no. 1, pp. 89-93, 1998. (EI, SCI)

(108)   Rong-Chau Liu, and Wen-Chau Liu, ¡§Comparison of modulation-doped effect in negative-differential-resistance field-effect transistors (NDRFET¡¦s),¡¨ Microelectronic Reliability, vol. 38, no. 3, pp. 367-372, 1998. (EI, SCI)

(109)   Rong-Chau Liu, and Wen-Chau Liu, ¡§Comparison of surface recombination effect in GaAs-based heterostructure-emitter and heterostructure-base transistor (HEHBT¡¦s),¡¨ Microelectronic Reliability, vol. 38, no. 3, pp. 361-365, 1998. (EI, SCI)

(110)   Jung-Hui Tsai, Shiou-Ying Cheng, Hui-Jung Shih, and Wen-Chau Liu, ¡§Functional heterostructure-emitter bipolar transistor (HEBT) with graded-confinement and pseudomorphic-base structure,¡¨ Superlatt. Microstruct., vol. 24, no.3, pp. 189-195, 1998. (EI, SCI)

(111)   Jung-Hui Tsai, Shiou-Ying Cheng, Lih-Wen Laih, Wen-Chau Liu, and Hao-Hsiung Lin, ¡§An extremely low offset voltage AlInAs/GaInAs heterostructure-emitter bipolar transistor,¡¨ Superlatt. Microstruct., vol. 23, no.6, pp. 1297-1307, 1998. (EI, SCI)

(112)   Wen-Chau Liu, Lih-Wen Laih, Shiou-Ying Cheng, Wen-Lung Chang Wei-Chou Wang, Jing-Yuh Chen, and Po-Hung Lin, ¡§Multiple negative-differential-resistance (MNDR) phenomena of a metal-insulator-semiconductor-insulator-metal (MISIM)-like structure with step-compositioned InxGa1-xAs quantum wells,¡¨ IEEE Trans. Electron Devices, vol. 45, no. 2., pp. 373-379, 1998. (EI, SCI)

(113)   Jing-Yuh Chen, Shiou-Ying Cheng, Wen-Lung Chang, and Wen-Chau Liu, ¡§d-doping InGaP/GaAs heterojunction bipolar transistor,¡¨ Mat. Chem. Phys., vol. 53, no. 1, pp. 88-91, 1998. (EI, SCI)

(114)   Wen-Chau Liu, Jung-Hui Tsai, Shiou-Ying Cheng, Wen-Lung Chang, Hsi-Jen Pan, and Yung-Hsin Shie, ¡§Investigation of GaAs-based heterostructure- emitter bipolar transistors (HEBTs),¡¨ Thin Solid Films, vol. 324, no. 1-2, pp. 219-224, 1998. (EI, SCI)

(115)   Wei-Chou Wang, Shiou-Ying Cheng, Wen-Lung Chang, Hsi-Jen Pan, Yung-Hsin Shie and Wen-Chau Liu, ¡§Investigation of InGaP/GaAs double delta-doped heterojunction bipolar transistor,¡¨ Semicond. Sci. Technol., vol. 13, no. 6, pp. 630-633, 1998. (SCI)

(116)   Wen-Shiung Lour, Wen-Lung Chang, Sheng-Tai Young, and Wen-Chau Liu, ¡§Improved breakdown in n+-GaAs/£_(p+)-GaInP/n-GaAs camel-gate heterojunction-FET grown by LP-MOCVD,¡¨ Electron. Lett., vol. 34, no. 8, pp. 814-815, 1998. (EI, SCI)

(117)   Shiou-Ying Cheng, Hsi-Jen Pan, Yung-Hsin Shie, Jing-Yuh Chen, Wen-Lung Chang, Wei-Chou Wang, Po-Hung Lin, and Wen-Chau Liu, ¡§Influence of the d-doping sheet and setback layer on the performance of an InGaP/GaAs heterojunction bipolar transistor,¡¨ Semicond. Sci. Technol., vol. 13, no. 10, pp. 1187-1192, 1998. (EI, SCI)

(118)   Po-Hung Lin, Shiou-Ying Cheng, Wen-Lung Chang, Hsi-Jen Pan, Yung-Hsin Shie, Jung-Hui Tsai, and Wen-Chau Liu, ¡§Investigation of an AlInAs/GaInAs superlattice-confined emitter bipolar transistor (SCEBT),¡¨ Mat. Chem. Phys., vol. 57, no. 1, pp. 77-80, 1998. (EI, SCI)

(119)   Wen-Chau Liu, Shiou-Ying Cheng, Wen-Lung Chang, Hsi-Jen Pan, and Yung-Hsin Shie, ¡§Application of d-doped wide-gap collector structure for high-breakdown and low-offset voltage transistors,¡¨ Appl. Phys. Lett., vol. 73, no. 10, pp. 1397-1399, 1998. (EI, SCI)

(120)   Shiou-Ying Cheng, Wen-Lung Chang, Hsi-Jen Pan, Yung-Hsin Shie, and Wen-Chau Liu, ¡§Design consideration of emitter-base junction structure for InGaP/GaAs heterojunction bipolar transistors,¡¨ Solid-State Electron., vol. 43, no. 2, pp. 297-304, 1999. (EI, SCI)

(121)   Yung-Hsin Shie, Wen-Lung Chang, Hsi-Jen Pan, Shiou-Ying Cheng, Wen-Shiung Lour, and Wen-Chau Liu, ¡§On the low-medium-high step-modulation-doped-channel (LMH-SMDC) heterostructure field-effect transistor,¡¨ Mat. Chem. Phys., vol. 57, no. 3, pp. 268-272, 1999. (EI, SCI)

(122)   Hsi-Jen Pan, Shiou-Ying Cheng, Wen-Lung Chang, Shun-Ching Feng, Kuo-Hui Yu, and Wen-Chau Liu, ¡§In0.53Al0.22Ga0.25As/InP heterojuction bipolar transistor with d-doped continuous-conduction-band (CCB) structure,¡¨ Electron. Lett., vol. 35, no. 5, pp. 428-429, 1999. (EI, SCI)

(123)   Shiou-Ying Cheng, Jung-Hui Tsai, Wen-Lung Chang, Hsi-Jen Pan, Yung-Hsin Shie, and Wen-Chau Liu, ¡§Investigation of an InGaP/GaAs resonant-tunneling transistor (RTT),¡¨ Solid-State Electron., vol. 43, no. 4, pp. 755-760, 1999. (EI, SCI)

(124)   Shiou-Ying Cheng, Wei-Chou Wang, Wen-Lung Chang, Jing-Yuh Chen, Hsi-Jen Pan, and Wen-Chau Liu, ¡§A new InGaP/GaAs double delta-doped heterojunction bipolar transistor (D3HBT),¡¨ Thin Solid Films, vol. 345, no. 2, pp. 270-272, 1999. (EI, SCI)

(125)   Wen-Lung Chang, Shiou-Ying Cheng, Yung-Hsin Shie, Hsi-Jen Pan, Wen-Shiung Lour, and Wen-Chau Liu, ¡§On the n+-GaAs/d(p+)-GaInP/n-GaAs high breakdown voltage field-effect transistor,¡¨ Semicond. Sci. Technol., vol. 14, no. 4, pp. 307-311, 1999. (EI, SCI)

(126)   Wen-Chau Liu, Wen-Lung Chang, Wen-Shiung Lour, Hsi-Jen Pan, Kuo-Hui Yu, and Shung-Ching Feng, ¡§Application of a new airbridge-gate structure for high-performance Ga0.51In0.49P/In0.15Ga0.85As/GaAs pseudomorphic field-effect transistors,¡¨ Appl. Phys. Lett., vol. 74, no. 14, pp. 1996-1998, 1999. (EI, SCI)

(127)   Wen-Shiung Lour, Wen-Lung Chang, Wen-Chau Liu, Yung-Hsin Shie, Hsi-Jen Pan, Jing-Yuh Chen, and Wei-Chou Wang, ¡§Application of selective removal of mesa sidewalls for high-breakdown and high-linearity Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic transistors,¡¨ Appl. Phys. Lett., vol. 74, no. 15, pp. 2155-2157, 1999. (EI, SCI)

(128)   Wen-Chau Liu, Wen-Lung Chang, Wen-Shiung Lour, Shiou-Ying Cheng, Yung-Hsin Shie, Jing-Yuh Chen, Wei-Chou Wang, and Hsi-Jen Pan, ¡§Temperature-dependent investigation of a high-breakdown voltage and low-leakage current Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic HEMT,¡¨ IEEE Electron Device Lett., vol. 20, no. 6, pp. 274-276, 1999. (EI, SCI)

(129)   Wen-Shiung Lour, Wen-Lung Chang, Yu-Min Shih, and Wen-Chau Liu, ¡§New self-aligned T-gate InGaP/GaAs field-effect transistors grown by LP-MOCVD,¡¨ IEEE Electron Device Lett., vol. 20, no. 6, pp. 304-306, 1999. (EI, SCI)

(130)   Wei-Chou Wang, Jing-Yuh Chen, Hsi-Jen Pan, Shun-Ching Feng, Kuo-Hui Yu, and Wen-Chau Liu, ¡§Study of In0.49Ga0.51P/GaAs/In0.49Ga0.51P double d-doped heterojunction bipolar transistor,¡¨ Superlatt. Microstruct., vol. 26, no. 1, pp. 23-33, 1999. (EI, SCI)

(131)   Shiou-Ying Cheng, Jung-Hui Tsai, Po-Hung Lin, and Wen-Chau Liu, ¡§Superlatticed negative-differential-resistance heterojunction bipolar transistor,¡¨ J. Vac. Sci. Technol. B, vol. 17, no. 4, pp. 1477-1481, 1999. (SCI)

(132)   Shiou-Ying Cheng, Wen-Chau Liu, Wen-Lung Chang, Hsi-Jen Pan, Wei-Chou Wang, Jing-Yuh Chen, Shun-Ching Feng, and Kuo-Hui Yu, ¡§Observation of the impulse-like negative-differential resistance of superlatticed resonant-tunneling transistor,¡¨ Appl. Phys. Lett., vol. 75, no. 1, pp. 133-135, 1999. (EI, SCI)

(133)   Wen-Chau Liu, Wei-Chou Wang, Jing-Yuh Chen, Hsi-Jen Pan, Shiou-Ying Cheng, Kong-Beng Thei, and Wen-Lung Chang, ¡§A novel InP/InAlGaAs negative-differential-resistance heterojunction bipolar transistor (NDR-HBT) with interesting topee-shaped current-voltage characteristics,¡¨ IEEE Electron Device Lett., vol. 20, no. 10, pp. 510-513, 1999. (EI, SCI)

(134)   Wen-Chau Liu, Hsi-Jen Pan, Shiou-Ying Cheng, Wei-Chou Wang, Jing-Yuh Chen, Shun-Ching Feng, and Kuo-Hui Yu, ¡§Applications of an In0.53Ga0.25Al0.22As/InP continuous-conduction-band structure for ultralow current operation transistors,¡¨ Appl. Phys. Lett., vol. 75, no. 4, pp. 572-574, 1999. (EI, SCI)

(135)   Wen-Lung Chang, Hsi-Jen Pan, Wei-Chou Wang, Kong-Beng Thei, Wen-Shiung Lour, and Wen-Chau Liu, ¡§Influences of the mesa-sidewall effect on Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic transistors,¡¨ Semicond. Sci. Technol., vol. 14, no. 10, pp. 887-891, 1999. (EI, SCI)

(136)   Wen-Chau Liu, Wen-Lung Chang, Wen-Shiung Lour, Hsi-Jen Pan, Wei-Chou Wang, Jing-Yuh Chen, Kuo-Hui Yu, and Shun-Ching Feng, ¡§High-performance InGaP/InxGa1-xAs HEMT with an inverted delta-doped V-shaped channel structure,¡¨ IEEE Electron Device Lett., vol. 20, no. 11, pp. 548-550, 1999. (EI, SCI)

(137)   Kun-Wei Lin, Wen-Lung Chang, Kuo-Hui Yu, Kong-Beng Thei, Wei-Chou Wang, Hsi-Jen Pan, Wen-Chau Liu, and Laih-Wen Laih, ¡§On the step-graded doped-channel (SGDC) field-effect transistor,¡¨ Superlatt. Microstruct., vol. 26, no. 5, pp. 343-350, 1999. (EI, SCI) (NSC-87-2215-E-006-020) (Cited: 0)

(138)   Wen-Lung Chang, Hsi-Jen Pan, Wei-Chou Wang, Kong-Beng Thei, Shiou-Ying Cheng, Wen-Shiung Lour, and Wen-Chau Liu, ¡§Temperature-dependent characteristics of the inverted delta-doped V-shaped InGaP/InxGa1-xAs/GaAs pseudomorphic transistors,¡¨ Jpn. J. Appl. Phys., vol. 38, no. 12A, pp. L1385-1387, 1999. (EI, SCI)

(139)   Wen-Chau Liu, Wen-Lung Chang, Hsi-Jen Pan, Jing-Yuh Chen, Wei-Chou Wang, Kuo-Hui Yu, and Shun-Ching Feng, ¡§High-breakdown n+-GaAs/d(p+)-GaInP/n-GaAs heterojunction camel-gate FET grown by LP-MOCVD,¡¨ Journal De Physique, vol. 9, no. P8, pp. 1171-1177, 1999. (EI, SCI)

(140)   Wen-Chau Liu, Shiou-Ying Cheng, Hsi-Jen Pan, Jing-Yuh Chen, Wei-Chou Wang, Shun-Ching Feng, and Kuo-Hui Yu, ¡§A new In0.5Ga0.5P/GaAs double heterojunction bipolar transistor (DHBT) prepared by MOCVD,¡¨ Journal De Physique, vol. 9, no. P8, pp. 1155-1161, 1999. (EI, SCI)

(141)   Wen-Chau Liu, Hsi-Jen Pan, Shiou-Ying Cheng, Wei-Chou Wang, Jing-Yuh Chen, Shun-Ching Feng, and Kuo-Hui Yu, ¡§MOCVD grown d-doped InGaP/GaAs heterojunction bipolar transistor,¡¨ Journal De Physique, vol. 9, no. P8, pp. 1163-1169, 1999. (EI, SCI)

(142)   Wen-Lung Chang, Hsi-Jen Pan, Wei-Chou Wang, Kong-Beng Thei, Kuo-Hui Yu, Kun-Wei Lin, Chin-Chuan Cheng, Wen-Shiung Lour, and Wen-Chau Liu, ¡§High-performance double delta-doped sheets Ga0.51In0.49P/In0.15Ga0.85As/Ga0.51In0.49P pseudomorphic heterostructure transistors,¡¨ Semicond. Sci. Technol., vol. 15, no. 6, pp. 1-6, 2000. (EI, SCI)

(143)   Shiou-Ying Cheng, Hsi-Jen Pan, Shun-Ching Feng, Kuo-Hui Yu, and Wen-Chau Liu, ¡§A new wide voltage operation regime double heterojunction bipolar transistor,¡¨ Solid-State Electron., vol. 44, no. 4, pp. 581-585, 2000. (EI, SCI)

(144)   Kuan-Po Lin, Chih-Hung Yen, Wen-Lung Chang, Kuo-Hui Yu, Kun-Wei Lin, and Wen-Chau Liu, ¡§Study of a high-barrier-gate pseudomorphic transistor with a step-compositioned channel and bottomside delta-doped sheet structure,¡¨ Semicond. Sci. Technol., vol. 15, no. 6, pp. 643-647, 2000. (EI, SCI)

(145)   Wen-Chau Liu, Kong-Beng Thei, Wei-Chou Wang, Hsi-Jen Pan, Shou-Gwo Wuu, Ming-Ta Lei, Chung-Shu Wang, and Shiou-Ying Cheng, ¡§A new and improved borderless contact (BLC) structure for high-performance Ti-salicide in sub-quarter micron CMOS devices,¡¨ IEEE Electron Device Lett., vol. 21, no. 7, pp. 344-346, 2000. (EI, SCI)

(146)   Wen-Chau Liu, Wei-Chou Wang, Hsi-Jen Pan, Jing-Yuh Chen, Shiou-Ying Cheng, Kun-Wei Lin, Kuo-Hui Yu, Kong-Beng Thei, and Chin-Chuan Cheng, ¡§Multiple-route and multiple-state current-voltage characteristics of an InP/AlInGaAs switch for multiple-valued logic applications,¡¨ IEEE Trans. Electron Devices, vol. 47, no. 8, pp. 1553-1559, 2000. (EI, SCI)

(147)   Jing-Yuh Chen, Wei-Chou Wang, Hsi-Jen Pan, Shun-Ching Feng, and Kuo-Hui Yu, Shiou-Ying Cheng, Wen-Chau Liu, ¡§Characteristics of InGaP/GaAs delta-doped heterojunction bipolar transistor,¡¨ J. Vac. Sci. Technol. B, vol. 18, no. 2, pp. 751-756, 2000. (EI, SCI)

(148)   Wei-Chou Wang, Hsi-Jen Pan, Kong-Beng Thei, Kun-Wei Lin, Kuo-Hui Yu, Chin-Chuan Cheng, Lih-Wen Laih, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Observation of the resonant-tunneling effect and temperature-dependent characteristics of an InP/InGaAs heterojunction bipolar transistor,¡¨ Semicond. Sci. Technol., vol. 15, no. 7, pp. 935-940, 2000. (EI, SCI)

(149)   Wen-Chau Liu, Hsi-Jen Pan, Wei-Chou Wang, Kong-Beng Thei, Kun-Wei Lin, Kuo-Hui Yu, and Chin-Chuan Cheng, ¡§Temperature-dependent study of a lattice-matched InP/InGaAlAs heterojunction bipolar transistor,¡¨ IEEE Electron Device Lett., vol. 21, no. 11, pp. 524-527, 2000. (EI, SCI)

(150)   Chih-Hung Yen, Kuan-Po Lin, Kuo-Hui Yu, Wen-Lung Chang, Kun-Wei Lin, and Wen-Chau Liu, ¡§Investigation of mesa-sidewall effects on direct current and radio frequency characteristics of Ga0.51In0.49P/In0.15Ga0.85As/ Ga0.51In0.49P pseudomorphic high electron mobility transistors,¡¨ J. Vac. Sci. Technol. B, vol. 18, no. 6, pp. 2615-2619, 2000. (EI, SCI)

(151)   Kuo-Hui Yu, Kun-Wei Lin, Chin-Chuan Cheng, Kuan-Po Lin, Chih-Hung Yen, Cheng-Zu Wu, and Wen-Chau Liu, ¡§InGaP/GaAs camel-like field-effect transistor for high-breakdown and high-temperature applications,¡¨ Electron. Lett., vol. 36, no. 22, pp. 1886-1888, 2000. (EI, SCI)

(152)   Kuo-Hui Yu, Wen-Lung Chang, Shun-Ching Feng, and Wen-Chau Liu, ¡§Characteristics of GaAs/InGaP/GaAs doped channel camel-gate field-effect transistor,¡¨ Solid-State Electron., vol. 44, no. 22, pp. 2069-2075, 2000. (EI, SCI)

(153)   Hsi-Jen Pan, Wei-Chou Wang, Kong-Beng Thei, Chin-Chuan Cheng, Kuo-Hui Yu, Kun-Wei Lin, Cheng-Zu Wu, and Wen-Chau Liu, ¡§Investigation of temperature-dependent performances of InP/In0.53Ga0.34Al0.13As heterojunction bipolar transistors,¡¨ Semicond. Sci. Technol, vol. 15, pp. 1101-1106, 2000. (EI, SCI)

(154)   Kuo-Hui Yu, Kun-Wei Lin, Chin-Chuan Cheng, Wen-Lung Chang, Jung-Hui Tsai, Shiou-Ying Cheng and Wen-Chau Liu, ¡§Temperature dependence of gate current and breakdown behaviors in an n+-GaAs/p+-InGaP/n--GaAs high-barrier gate field-effect transistor,¡¨ Jpn. J. Appl. Phys., vol. 40, no. 1, pp. 24-27, 2001. (EI, SCI)

(155)   Wei-Chou Wang, Hsi-Jen Pan, Kun-Wei Lin, Kuo-Hui Yu, Cheng-Zu Wu, Lih-Wen Laih, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Investigation of InP/InGaAs superlattice-emitter resonant tunneling bipolar transistors (RTBTs),¡¨ Superlatt. Microstruct., vol. 29, no.2, pp. 111-119, 2001. (EI, SCI)

(156)   Wei-Chou Wang, Hsi-Jen Pan, Kuo-Hui Yu, Kun-Wei Lin, Jung-Hui Tsai, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Study of the multiple-negative-differential-resistance (MNDR) switching behaviors based on heterojunction bipolar transistor (HBT) structures,¡¨ Superlatt. Microstruct., vol. 29, no.2, pp. 133-145, 2001. (EI, SCI)

(157)   Kun-Wei Lin, Kuo-Hui Yu, Wen-Lung Chang, Chin-Chuan Cheng, Kuan-Po Lin, Chih-Hung Yen, Wen-Shiung Lour, and Wen-Chau Liu, ¡§Characteristics and comparison of In0.49Ga0.51P/GaAs single and double delta-doped pseudomorphic high electron mobility transistors,¡¨ Solid-State Electron., vol. 45, no. 2, pp. 309-314, 2001. (EI, SCI)

(158)   Hsi-Jen Pan, Shun-Ching Feng, Wei-Chou Wang, Kun-Wei Lin, Kuo-Hui Yu, Cheng-Zu Wu, Lih-Wen Laih, and Wen-Chau Liu, ¡§Investigation of an InGaP/GaAs resonant-tunneling heterojunction bipolar transistor,¡¨ Solid-State Electron., vol. 45, no. 3, pp. 489-494, 2001. (EI, SCI)

(159)   Wei-Chou Wang, Hsi-Jen Pan, Kun-Wei Lin, Kuo-Hui Yu, Chin-Chuan Cheng, Chih-Hung Yan, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§ Characteristics of d-doped InP/InGaAlAs heterojunction bipolar transistors (HBT's),¡¨ Semicond. Sci. Technol, vol. 16, pp. 339-344, 2001. (EI, SCI)

(160)   Wei-Chou Wang, Hsi-Jen Pan, Kong-Beng Thei, Kun-Wei Lin, Kuo-Hui Yu, and Chin-Chuan Cheng, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§ Photonic-sensitive InAlGaAs/InP negative-differential-resistance heterojunction bipolar transistor,¡¨ Superlatt. Microstruct., vol. 29, pp. 359-365, 2001. (EI, SCI)

(161)   Wen-Chau Liu, Hsi-Jen Pan, Wei-Chou Wang, Shun-Ching Feng, Kun-Wei Lin, Kuo-Hui Yu, and Lih-Wen Laih, ¡§On the multiple negative-differential-resistance (MNDR) InGaP/GaAs resonant tunneling bipolar transistors,¡¨ IEEE Trans. Electron Devices, vol. 48, pp. 1054-1059, 2001. (EI, SCI)

(162)   Wen-Chau Liu, Hsi-Jen Pan, Huey-Ing Chen, Kun-Wei Lin, Shiou-Ying Cheng, and Kuo-Hui Yu, ¡§Hydrogen-sensitive characteristics of a novel Pd/InP MOS Schottky diode hydrogen sensor,¡¨ IEEE Trans. Electron Devices, vol. 48, pp. 1938-1944, 2001. (EI, SCI)

(163)   Wen-Chau Liu, Wen-Lung Chang, Wen-Shiung Lour, Kuo-Hui Yu, Kun-Wei Lin, Chin-Chuan Cheng, and Shiou-Ying Cheng, ¡§Temperature-dependence investigation of a high-performance inverted delta-doped V-shaped GaInP/InxGa1-xAs/GaAs pseudomorphic high electron mobility transistor,¡¨ IEEE Trans. Electron Devices, vol. 48, pp. 1290-1296, 2001. (EI, SCI)

(164)   Wen-Chau Liu, Kuo-Hui Yu, Kun-Wei Lin, Jung-Hui Tsai, Cheng-Zu Wu, Kuan-Po Lin, and Chih-Hung Yen, ¡§On the InGaP/GaAs/InGaAs camel-like FET for high-breakdown, low-leakage, and high-temperature operations,¡¨ IEEE Trans. Electron Devices, vol. 48, pp. 1522-1530, 2001. (EI, SCI)

(165)   Wen-Chau Liu, Kong-Beng Thei, Hung-Ming Chuang, Kun-Wei Lin, Chin-Chuan Cheng, Yen-Shih Ho, Chi-Wen Su, Shyh-Chyi Wong, Chih-Hsien Lin, and Carlos H. Diaz, ¡§Characterization of polysilicon resistors in sub-0.25 mm CMOS ULSI applications,¡¨ IEEE Electron Device Lett., vol. 22, pp. 318-320, 2001. (EI, SCI)

(166)   Kong-Beng Thei, Wen-Chau Liu, Hung-Ming Chuang, Kun-Wei Lin, Chin-Chuan Cheng, Chin-Hsiung Ho, Chi-Wen Su, Shou-Gwo Wuu, and Chung-Shu Wang, ¡§A novel double ion-implant (DII) Ti-salicide technology for high-performance sub-0.25 mm CMOS devices applications,¡¨ IEEE Trans. Electron Devices, vol. 48, pp. 1740-1742, 2001. (EI, SCI)

(167)   Wen-Chau Liu, Kuo-Hui Yu, Rong-Chau Liu, Kun-Wei Lin, Chin-Chuan Cheng, Kuan-Po Lin, Chih-Hung Yen, and Cheng-Zu Wu, ¡§Improved n+-GaAs/p+-In0.49Ga0.51P/n-GaAs camel-like gate structure for high-breakdown, low-leakage, and high-temperature applications,¡¨ Appl. Phys. Lett., vol. 79, pp. 967-969, 2001. (EI, SCI)

(168)   Wen-Chau Liu, Kuo-Hui Yu, Rong-Chau Liu, Kun-Wei Lin, Kuan-Po Lin, Chih-Hung Yen, Chin-Chuan Cheng, and Kong-Beng Thei, ¡§Investigation of temperature-dependent characteristics of an n+-InGaAs/n-GaAs composite doped channel HFET,¡¨ IEEE Trans. Electron Devices, vol. 48, pp. 2677-2683, 2001. (EI, SCI)

(169)   Wen-Chau Liu, His-Jen Pan, Huey-Ing Chen, Kun-Wei Lin, and Chik-Kai Wang, ¡§Comparative hydrogen-sensing study of Pd/GaAs and Pd/InP metal-oxide-semiconductor Schottky diodes,¡¨ Jpn. J. Appl. Phys., vol. 40, pp. 6254-6259, 2001. (EI, SCI)

(170)   Wen-Chau Liu, His-Jen Pan, Chih-Hung Yen, Kuan-Po Lin, Cheng-Zu Wu, Wen-Hui Chiou, and Chun-Yuan Chen, ¡§MOCVD grown InGaP/GaAs multiple negative-differential-resistance (MNDR) resonant-tunneling bipolar transistors,¡¨ Journal De Physique, vol. 11, Pr. 3, pp. 931-936, 2001. (EI, SCI)

(171)   Wen-Chau Liu, Kun-Wei Lin, Kuo-Hui Yu, Wen-Lung Chang, Chin-Chuan Cheng, Chih-Kai Wang, and Hung-Ming Chuang, ¡§High-performance In0.49Ga0.51P/InGaAs single and double delta-doped pseudomorphic high electron mobility transistors (£_-PHEMT¡¦s),¡¨ Journal De Physique, vol. 11, Pr. 3, pp. 945-950, 2001. (EI, SCI)

(172)   Wen-Chau Liu, Kuo-Hui Yu, Kun-Wei Lin, Kuan-Po Lin, Chih-Hung Yen, Chin-Chuan Cheng, Chih-Kai Wang, and Hung-Ming Chuang, ¡§MOCVD grown InGaP/GaAs camel-like field-effect transistor for high-breakdown and high-temperature operations,¡¨ Journal De Physique, vol. 11, Pr. 3, pp. 951-955, 2001. (EI, SCI)

(173)   Wen-Chau Liu, Wei-Chou Wang, Chih-Hung Yen, Chin-Chuan Cheng, Cheng-Zu Wu, Wen-Hui Chiou, and Chun-Yuan Chen, ¡§A systematic study of MOCVD grown InP/InGaAlAs heterojunction bipolar transistors with anomalous switching behavior,¡¨ Journal De Physique, vol. 11, Pr. 3, pp. 957-961, 2001. (EI, SCI)

(174)   Kun-Wei Lin, Kuo-Hui Yu, Wen-Lung Chang, Chih-Kai Wang, Wen-Huei Chiou, and Wen-Chau Liu, ¡§On the InGaP/InxGa1-xAs pseudomorphic high-electron-mobility transistors for high-temperature operations,¡¨ Microelectron. Reliab., vol. 41, pp. 1897-1902, 2001. (EI, SCI)

(175)   Kun-Wei Lin, Chin-Chuan Cheng, Shiou-Ying Cheng, Kuo-Hui Yu, Chih-Kai Wang, Hung-Ming Chuang, Jing-Yuh Chen, Cheng-Zu Wu, and Wen-Chau Liu, ¡§A novel Pd/oxide/GaAs metal¡Vinsulator¡Vsemiconductor field-effect transistor (MISFET) hydrogen sensor,¡¨ Semicond. Sci. Technol, vol. 16, pp. 997-1001, 2001. (EI, SCI)

(176)   Kuo-Hui Yu, Kun-Wei Lin, Shiou-Ying Cheng, Chin-Chuan Cheng, Jing-Yuh Chen, Cheng-Zu Wu, and Wen-Chau Liu, ¡§Off-state breakdown characteristics of InGaP-based high-barrier gate heterostructure field-effect transistors,¡¨ Superlatt. Microstruct., vol. 30, pp. 231-239, 2001. (EI, SCI)

(177)   Wen-Hui Chiou, His-Jen Pan, Rong-Chau Liu, Chun-Yuan Chen, Chih-Kai Wang, Hung-Ming Chuang, and Wen-Chau Liu, ¡§Characterization of InP/InGaAs double-heterojunction bipolar transistors with tunnelling barriers and composite collector structures,¡¨ Semicond. Sci. Technol, vol. 17, pp. 87-92, 2002. (EI, SCI))

(178)   His-Jen Pan, Kun-Wei Lin, Kuo-Hui Yu, Chin-Chuan Cheng, Kong-Beng Thei, Wen-Chau Liu, and Huey-Ing Chen, ¡§Highly hydrogen-sensitive Pd/InP metal-oxide-semiconductor Schottky diode hydrogen sensor,¡¨ Electron. Lett., vol. 38, no.2, pp. 92-94, 2002. (EI, SCI)

(179)   Kuo-Hui Yu, Kun-Wei Lin, Kuan-Po Lin, Chih-Hung Yen, Ckih-Kai Wang, and Wen-Chau Liu, ¡§Study of InGaP/GaAs/InGaAs high-barrier gate and heterostructure-channel field-effect transistors,¡¨ J. Vac. Sci. Technol. B, vol. 20, no. 3, pp. 1096-1101, 2002. (EI, SCI)

(180)   Kong-Beng Thei, Hung-Ming Chuang, Kuo-Hui Yu, Wen-Chau Liu, Rong-Chau Liu, Kun-Wei Lin, Chi-Wen Su, Chin-Shiung Ho, Shou-Gwo Wuu, and Chung-Shu Wang, ¡§On the high-performance Ti-salicide ULSI CMOS devices prepared by a borderless contact technique and double-implant structure,¡¨ Semicond. Sci. Technol, vol. 17, pp. 205-210, 2002. (EI, SCI)

(181)   Kong-Beng Thei, Hung-Ming Chuang, Sheng-Fu Tsai, Chun-Tsen Lu, Xin-Da Liao, Kuan-Ming Lee, and Wen-Chau Liu, ¡§Effects of electrical and temperature stress on polysilicon resistors for CMOS technology applications,¡¨ Superlatt. Microstruct., vol. 31, no. 6, pp. 289-296, 2002. (EI, SCI)

(182)   Hung-Ming Chuang, Kong-Beng Thei, Sheng-Fu Tsai, Chun-Tsen Lu, Xin-Da Liao, Kuan-Ming Lee, and Wen-Chau Liu, ¡§Comparative study of double ion-implant Ti-salicide and pre-amorphization implant Co-salicide for ultra-large-scale-integration applications,¡¨ Semicond. Sci. Technol, vol. 17, pp. 1075-1080, 2002. (EI, SCI)

(183)   Chun-Yuan Chen, Wei-Chou Wang, Wen-Hui Chiou, Chih-Kai Wang, Hung-Ming Chuang, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§A comparative study of GaAs- and InP-based superlattice emitter resonant tunneling bipolar transistors (SE-RTBT's),¡¨ Solid-State Electron., vol. 46, no. 9, pp. 1289-1294, 2002. (EI, SCI)

(184)   Kuo-Hui Yu, Hung-Ming Chuang, Kun-Wei Lin, Chin-Chuan Cheng, Jing-Yuh Chen, and Wen-Chau Liu, ¡§Improved temperature-dependent performances of a novel InGaP/InGaAs/GaAs double channel pseudomorphic high electron mobility transistor (DC-PHEMT),¡¨ IEEE Trans. Electron Devices, vol. 49, pp. 1687-1693, 2002. (EI, SCI)

(185)   Wen-Chau Liu, Kun-Wei Lin, Huey-Ing Chen, Chih-Kai Wang, Chin-Chuan Cheng, Shiou-Ying Cheng, and Chun-Tsen Lu, ¡§A new Pt/Oxide/In0.49Ga0.51P MOS Schottky diode hydrogen sensor,¡¨ IEEE Electron Device Lett., vol. 23, pp. 640-642, 2002. (EI, SCI)

(186)   Chih-Kai Wang, Kuo-Hui Yu, Wen-Hui Chiou, Chun-Yuan Chen, Hung-Ming Chuang, and Wen-Chau Liu, ¡§On the high-performance n+-GaAs/p+-InGaP/n-GaAs high-barrier gate camel-like HFETs,¡¨ Solid-State Electron., vol. 47, no. 1, pp. 19-24, 2003. (EI, SCI)

(187)   Kong-Beng Thei, Chung-Long Cheng, Hsin-Chien Lin, Tong-Sen Chang, Nun-Sian Tsai, Kuo-Hwa Lee, Hung-Ming Chuang, Sheng-Fu Tsai, and Wen-Chau Liu, ¡§A New and Improved Structure of Polysilicon Resistor for Subquarter Micrometer CMOS Device Applications,¡¨ IEEE Trans. Electron Devices, vol. 50, pp. 516-518, 2003. (EI, SCI)

(188)   Hung-Ming Chuang, Chih-Kai Wang, Kun-Wei Lin, Wen-Hui Chiou, Chun-Yuan Chen, and Wen-Chau Liu, ¡§Comparative Study on DC Characteristics of In0.49Ga0.51P-Channel Heterostructure Field-Effect Transistors with Different Gate Metals,¡¨ Semicond. Sci. Technol., vol. 18, pp. 319-324, 2003. (EI, SCI)

(189)   Kun-Wei Lin, Huey-Ing Chen, Hung-Ming Chuang, Chun-Yuan Chen, and Wen-Chau Liu, ¡§A Hydrogen Sensing Pd/InGaP Metal-Semiconductor (MS) Schottky Diode Hydrogen Sensor,¡¨ Semicond. Sci. Technol., vol. 18, pp.615-619, 2003. (EI, SCI)

(190)   Chun-Yuan Chen, Wen-Huei Chiou, Chih-Hung Yen, Hung-Ming Chuang, Jing-Yuh Chen, Chin-Chuan Cheng, and Wen-Chau Liu, ¡§Study on dc characteristics of an interesting InP¡¦InGaAs tunneling-emitter bipolar transistor with double heterostructures,¡¨ J. Vac. Sci. & Technol., vol. 21, pp. 82-86, 2003. (EI, SCI)

(191)   Chun-Yuan Chen, Shiou-Ying Cheng, Wen-Hui Chiou, Hung-Ming Chuang, Rong-Chau Liu, Chih-Hung Yen, Jing-Yuh Chen, Chin-Chuan Cheng, and Wen-Chau Liu, ¡§DC Characterization of an InP-InGaAs Tunneling Emitter Bipolar Transistor (TEBT),¡¨ IEEE Trans. Electron Devices, vol. 50, pp. 874-879, 2003. (EI, SCI)

(192)   Chun-Yuan Chen, Shiou-Ying Cheng, Wen-Hui Chiou, Hung-Ming Chuang, and Wen-Chau Liu, ¡§A novel InP/InGaAs TEBT for ultralow current operations¡¨ IEEE Electron Device Lett. , vol. 24, pp. 126-128, 2003. (EI, SCI)

(193)   Hung-Ming Chuang, Sheng-Fu Tsai, Kong-Beng Thei, and Wen-Chau Liu, ¡§Anomalous Temperature-Dependent Characteristics of Silicon Diffused Resistors,¡¨ IEE Electron. Lett., vol. 39, no.13, pp. 1015-1016, 2003. (EI, SCI)

(194)   Hung-Ming Chuang, Shiou-Ying Cheng, Xin-Da Liao, Chun-Yuan Chen, and Wen-Chau Liu, ¡§InGaP/InGaAs Double Delta-Doped Channel Transistor,¡¨ IEE Electron. Lett., vol. 39, no.13, pp. 1016-1018, 2003. (EI, SCI)

(195)   Hung-Ming Chuang, Kong-Beng Thei, Sheng-Fu Tsai, and Wen-Chau Liu, ¡§Temperature-Dependent Characteristics of Polysilicon and Diffused Resistors,¡¨ IEEE Trans. Electron Devices, vol. 50, no. 5, pp. 1413-1415, 2003. (EI, SCI)

(196)   Chun-Tsen Lu, Kun-Wei Lin, Huey-Ing Chen, Hung-Ming Chuang, Chun-Yuan Chen, and Wen-Chau Liu, ¡§A New Pd/Oxide/Al0.3Ga0.7As MOS Hydrogen Sensor,¡¨ IEEE Electron Device Lett., vol. 24, pp. 390-392, 2003. (EI, SCI)

(197)   Hung-Ming Chuang, Shiou-Ying Cheng, Chun-Yuan Chen, Xin-Da Liao, Rong-Chau Liu, and Wen-Chau Liu, ¡§Investigation of a New InGaP/InGaAs Pseudomorphic Double Doped-Channel Heterostructure Field-effect Transistor (PDDCHFET)¡¨, IEEE Trans. Electron Devices, vol. 50, pp. 1717-1723, 2003. (EI, SCI)

(198)   Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Chun-Tsen Lu, Hung-Ming Chuang, Chun-Yuan Chen, and Wen-Chau Liu, ¡§Comparative hydrogen sensing performances of Pd- and Pt-InGaP metal¡Voxide¡Vsemiconductor Schottky diodes,¡¨ J. Vac. Sci. & Technol., vol. B21, pp. 2471-2477, 2003. (EI, SCI)

(199)   Kun-Wei Lin, Huey-Ing Chen, Chin-Chuan Cheng, Hung-Ming Chuang, Chun-Tsen Lu, and Wen-Chau Liu, ¡§Characteristics of A New Pt/Oxide/In0.49Ga0.51P Hydrogen-Sensing Schottky Diode,¡¨ Sens. Actuators B, vol. 94, pp. 145-151, 2003. (EI, SCI)

(200)   Hung-Ming Chuang, Kong-Beng Thei, Sheng-Fu Tsai, Chun-Tsen Lu, Xin-Da Liao, Kuan-Ming Lee, Hon-Rung Chen, and Wen-Chau Liu, ¡§A Comprehensive Study of Polysilicon Resistors for CMOS ULSI Applications,¡¨ Superlattices & Microstructures, vol. 33, pp. 193-208, 2003. (EI, SCI)

(201)   Yan-Ying Tsai, Kun-Wei Lin, Chun-Tsen Lu, Huey-Ing Chen, Hung-Ming Chuang, Chun-Yuan Chen, Chin-Chuan Cheng, Wen-Chau Liu, ¡§Investigation of Hydrogen-Sensing Properties of Pd/AlGaAs-Based Schottky Diodes¡¨, IEEE Trans. Electron Devices, vol. 50, pp. 2532-2539, 2003. (EI, SCI)

(202)   Hung-Ming Chuang, Shiou-Ying Cheng, Po-Hsien Lai, Xin-Da Liao, Chun-Yuan Chen, Chih-Hung Yen, Rong-Chau Liu, and Wen-Chau Liu, ¡§Study of InGaP/InGaAs Double Doped Channel Heterostructure Field-effect Transistors (DDCHFETs),¡¨ Semicond. Sci. Technol., vol. 19, no. 1, pp. 87-92, 2004. (EI, SCI)

(203)   Shiou-Ying Cheng, Jing-Yuh Chen, Chun-Yuan Chen, Hung-Ming Chuang, Chih-Hung Yen, Kuan-Ming Lee and Wen-Chau Liu, ¡§Comprehensive study of InGaP/AlxGa1-xAs/GaAs heterojunction bipolar transistors with different doping concentrations of AlxGa1-xAs graded layers,¡¨ Semicond. Sci. Technol., vol. 19, pp. 351-358, 2004. (EI, SCI)

(204)   Kun-Wei Lin, Huey-Ing Chen, Hungs-Ming Chuang, Chun-Yuan Chen, Chun-Tsen Lu, Chin-Chuan Cheng, and Wen-Chau Liu, ¡§Characteristics of Pd/InGaP Schottky Diodes Hydrogen Sensors,¡¨ IEEE Sensors Journal, vol. 4, pp. 72-79, 2004. (EI, SCI)

(205)   Hung-Ming Chuang, Shiou-Ying Cheng, Chun-Yuan Chen, Xin-Da Liao, Po-Hsien Lai, Chung-I Kao, and Wen-Chau Liu, ¡§Study of InGaP/InGaAs Double Delta-Doped Channel Heterostructure Field-Effect Transistors (DDDCHFETs),¡¨ J. Vac. Sci. & Technol., vol. B22, pp. 832-837, 2004. (EI, SCI)

(206)   Der-Feng Guo, Jing-Yuh Chen, Hung-Ming Chuang, Chun-Yuan Chen, and Wen-Chau Liu, ¡§Characteristics of a New BBOS With an AlGaAs-d(n+)-GaAs-InAlGaP Collector Structure,¡¨ IEEE Trans. Electron Devices, vol. 51, pp. 542-547, 2004. (EI, SCI)

(207)   Der-Feng Guo, Jing-Yuh Chen, Hung-Ming Chuang, Chun-Yuan Chen, and Wen-Chau Liu, ¡§A Double-Barrier-Emitter Triangular-Barrier Optoelectronic Switch,¡¨ IEEE J. Quantum Electron., vol. 40, pp. 413-419., 2004. (EI, SCI)

(208)   Chin-Chuan Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Chun-Tsen Lu, and Wen-Chau Liu, ¡§Hydrogen sensing characteristics of a Pt-oxide-Al0.3Ga0.7As MOS Schottky diode,¡¨ Sens. Actuators B, vol. 99, pp. 425-430, 2004. (EI, SCI)

(209)   Chin-Chuan Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Wei-His Hsu, Hung-Ming Chuang, Chun-Yuan Chen, and Wen-Chau Liu, ¡§Hydrogen sensing characteristics of Pd- and Pt-Al0.3Ga0.7As metal¡Vsemiconductor (MS) Schottky diodes¡¨ Semicond. Sci. Technol., vol. 19, pp. 778-782, 2004. (EI, SCI)

(210)   Jing-Yuh Chen, Der-Feng Guo, Shiou-Ying Cheng, Kuan-Ming Lee, Chun-Yuan Chen, Hung-Ming Chuang, Ssu-Yi Fu, and Wen-Chau Liu, ¡§A New InP/InGaAs Heterojunction Bipolar Transistor (HBT) with a Superlattice-Collector Structure,¡¨ IEEE Electron Device Lett., vol. 25, pp. 244-246, 2004. (EI, SCI)

(211)   Po-Hsien Lai, Hung-Ming Chuang, Sheng-Fu Tsai, Chung-I Kao, Horng-Rung Chen, Chun-Yuan Chen, and Wen-Chau Liu, ¡§Characteristics of a New Camel-Gate Field Effect Transistor (CAMFET) with a Composite Channel Structure,¡¨ Semicond. Sci. Technol., vol. 19, pp. 912-916, 2004. (EI, SCI)

(212)   Chun-Yuan Chen, Shiou-Ying Cheng, Wen-Hui Chiou, Hung-Ming Chuang, Ssu-I Fu, and Wen-Chau Liu, ¡§Comparative studies of InP/InGaAs single and double heterojunction bipolar transistors with a tunnelling emitter barrier structure,¡¨ Semicond. Sci. Technol., vol. 19, pp. 864-869, 2004. (EI, SCI)

(213)   Shiou-Ying Cheng, Chun-Yuan Chen, Jing-Yuh Chen, Hung-Ming Chuang, Chih-Hung Yen, and Wen-Chau Liu, ¡§Comprehensive study of InGaP¡VAlxGa1¡VxAs¡VGaAs composite-emitter heterojunction bipolar transistors with different thickness of AlxGa1¡VxAs graded layers,¡¨ J. Vac. Sci. & Technol., vol. B22, no.4, pp. 1699-1704, 2004. (EI, SCI)

(214)   Chun-Yuan Chen, Ssu-I. Fu, Shiou-Ying Cheng, Chi-Yuan Chang, Ching-Hsiu Tsai, Chih-Hung Yen, Sheng-Fu Tsai, Rong-Chau Liu, and Wen-Chau Liu, ¡§Influences of Surface Sulfur Treatments on the Temperature-Dependent Characteristics of Heterojunction Bipolar Transistors (HBTs)¡¨ IEEE Trans. Electron Devices, vol. 51, pp. 1963-1971, 2004. (SCI)

(215)   Jing-Yuh Chen, Chun-Yuan Chen, Kuan-Ming Lee, Chih-Hung Yen, Sheng-Fu Tsai, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Temperature-dependent DC characteristics of an InGaAs/InGaAsP heterojunction bipolar transistors with an InGaAsP spacer and a composite-collector structure¡¨, J. Vac. Sci. Technol. B, vol. 22. , pp. 2727-2733, 2004. (EI, SCI)

(216)   Chin-Chuan Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Wei-Hsi Hsu, Ching-Wen Hong, and Wen-Chau Liu, ¡§Temperature-dependent hydrogen sensing characteristics of a pd/oxide/Al0.24Ga0.76As high electron mobility transistor (HEMT)¡¨, IEE Electron. Lett., vol. 40. , pp. 1608-1609, 2004. (SCI)

(217)   Jing-Yuh Chen, Shiou-Ying Cheng, Chun-Yuan Chen, Kuan-Ming Lee, Chih-Hung Yen, Ssu-Yi Fu, Sheng-Fu Tsai, and Wen-Chau Liu, ¡§Characteristics of an InP-InGaAs-InGaAsP HBT¡¨, IEEE Trans. Electron Devices, vol. 51. , pp. 1935-1938, 2004. (EI, SCI)

(218)   Shiou-Ying Cheng, Chun-Yuan Chen, Ssu-I. Fu, Po-Hsien Lai, Yan-Ying Tsai, and Wen-Chau Liu, ¡§DC Characterization of an InP/InGaAs Tunneling Emitter Bipolar Transistor (TEBT),¡¨ Jpn. J. Appl. Phys., vol. 44, pp. 824-827, 2005. (SCI)

(219)   Shiou-Ying Cheng, Chun-Yuan Chen, Jing-Yuh Chen, Wen-Chau Liu, Wen-Lung Chang, Meng-Hsueh Chiang, ¡§Comprehensive studies of InGaP/GaAs heterojunction bipolar transistors with different thickness of setback layers,¡¨ Superlattices & Microstructures, vol. 37, pp. 171-183, 2005. (SCI)

(220)   Yen-I Chou, Chai-Ming Chen, Wen-Chau Liu, and Huey-Ing Chen, ¡§A New Pd-InP Schottky Hydrogen Sensor Fabricated by Electrophoretic Deposition With Pd Nanoparticles¡¨ IEEE Electron Device Lett., vol. 26, pp. 62-65, 2005. (SCI)

(221)   Chin-Chung Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Lng Chen, and Wen-Chau Liu, ¡§Hydrogen Sensing properties of a Pt-oxide-Al0.24Ga0.76As high-electron-mobility transistor¡¨ Appl. Phys. Lett., vol. 86, pp. 112103-1-112103-3, 2005. (EI, SCI)

(222)   Po Hsien Lai, Ssu I Fu, Yan-Ying Tsai, Chih Hung Yen, Shiou Ying Cheng, and Wen-Chau Liu, ¡§Characteristics of a sulfur-passivated InGaP/InGaAs/GaAs heterostructure field-effect transistor¡¨ Appl. Phys. Lett., vol. 87, pp. 083502-1-083502-3, 2005. (EI, SCI)

(223)   Chin-Chuan Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Wei-Hsi Hsu, Ching-Wen Hong, Han-Lien Lin, and Wen-Chau Liu, ¡§Study of hydrogen-sensing characteristics of a Pt-oxide-AlGaAs metal-oxide -semiconductor high electron mobility transistor,¡¨ J. Vac. Sci. & Technol., vol. 23, pp. 1943-1947, 2005. (EI, SCI)

(224)   Po-Hsien Lai, Chun-Wei Chen, Chung-I Kao, Ssu-I Fu, Yan-Ying Tsai, Ching-Wen Hung, Chih-Hung Yen, Hung-Ming Chuang, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Influences of sulfur passivation on temperature-dependent characteristics of an AlGaAs/InGaAs/GaAs PHEMT,¡¨ IEEE Trans. Electron Devices, vol. 53, pp. 1-8, 2006. (SCI)

(225)   Chin-Chuan Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Wei-Hsi Hsu, Ching-Wen Hong, and Wen-Chau Liu, ¡§Characteristics of a Pd-oxide-In0.49Ga0.51P high electron mobility transistor (HEMT)-based hydrogen sensor,¡¨ Sens. Actuators B, vol. 113, pp. 29-35, 2006. (EI, SCI)

(226)   Ching-Wen Hung, Han-Lien Lin, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Huey-Ing Chen and Wen-Chau Liu, ¡§AlGaAs/InGaAs/GaAs transistor-based hydrogen sensing device grown by metal organic chemical vapor deposition,¡¨ Jpn. J. Appl. Phys., vol. 45, pp. 680-684, 2006. (EI, SCI)

(227)   Yan-Ying Tsai, Ching-Wen Hung, Kun-Wei Lin, Po-Hsien Lai, Ssu-I Fu, Hung-Ming Chuang, Huey-Ing Chen, and Wen-Chau Liu, ¡§On a GaAs-based transistor-type hydrogen sensing detector with a Pd/Al0.24Ga0.76As metal-semiconductor Schottky gate,¡¨ Semicond. Sci. Technol., vol. 21, pp. 221-227, 2006. (EI, SCI)

(228)   Chin-Chuan Cheng, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Wei-Hsi Hsu, Ching-Wen Hong, Rong-Chan Liu, and Wen-Chau Liu, ¡§Pd-oxide-Al0.24Ga0.76As (MOS) high electron mobility transistor (HEMT) based hydrogen sensor,¡¨ IEEE Sensors J., vol. 6, pp. 287-292, 2006. (EI, SCI)

(229)   Shiou-Ying Cheng, Ssu-I Fu, Kuei-Yi Chu, Po-Hsien Lai, Li-Yang Chen, Wen-Chau Liu, and Meng-Hsueh Chiang, ¡§Improved DC and microwave performance of heterojunction bipolar transistors by full sulfur passivation,¡¨ J. Vac. Sci. & Technol. B, vol. 24, pp. 669-674, 2006. (EI, SCI)

(230)   Po-Hsien Lai, Ssu-I Fu, Yan-Ying Tsai, Chih-Hung Yen, Hung-Ming Chuang, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Thermal stability improvement of a sulfur¡Vpassivated InGaP/InGaAs/GaAs heterostructure field-effect transistor (HFET),¡¨ IEEE Trans. on Device and Materials Reliability, vol. 6, pp. 52-59, 2006. (EI, SCI)

(231)   Ssu-I Fu, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Characteristics of InGaP/GaAs heterojunction bipolar transistors (HBTs) with sulfur treatments,¡¨ Superlattices & Microstructures, vol. 39, pp. 436-445, 2006. (SCI)

(232)   Po-Hsien Lai, Ssu-I Fu, Yan-Ying Tsai, Ching-Wen Hung, Chih-Hung Yen, Hung-Ming Chuang, and Wen-Chau Liu, ¡§Improved Temperature-Dependent Characteristics of a Sulfur-Passivated AlGaAs/InGaAs/GaAs Pseudomorphic High Electron Mobility Transistor (PHEMT),¡¨ J. Electrochem. Soc., vol. 153, pp. G632-G635, 2006. (EI, SCI)

(233)   Ching-Wen Hung, Han-Lien Lin, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Huey-Ing Chen, and Wen-Chau Liu, ¡§Three-terminal-controlled resister-type hydrogen sensor,¡¨ IEE Electron. Lett., vol. 42, pp. 578-579, 2006. (SCI)

(234)   Jun-Rui Huang, Wei-Chou Hsu, Yeong-Jia Chen, Tzong-Bin Wang, Kun-Wei Lin, Huey-Ing Chen, and Wen-Chau Liu, ¡§Comparison of hydrogen sensing characteristics for Pd/GaN and Pd/Al0.3Ga0.7As schottky diodes,¡¨ Sens. Actuators B, vol. 117, pp. 151-158, 2006. (EI, SCI)

(235)   Chun-Wei Chen, Po-Hsien Lai, Wen-Shiung Lour, Der-Feng Guo, Jung-Hui Tsai, and Wen-Chau Liu, ¡§Temperature dependences of an In0.46Ga0.54As/In0.42Al0.58As based metamorphic high electron mobility transistor (MHEMT),¡¨ Semicond. Sci. Technol., vol. 21, pp. 1358-1363, 2006.

(236)   Ching-Wen Hung, Han-Lien Lin, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Huey-Ing Chen, and Wen-Chau Liu, ¡§New field-effect resistive Pd/oxide/AlGaAs hydrogen sensor based on pseudomorphic high electron mobility transistor (PHEMT),¡¨ Jpn. J. Appl. Phys., vol. 45, pp. L780-L782, 2006.

(237)   Ssu-I Fu, Po-Hsien Lai, Yan-Ying Tsai, Ching-Wen Hung, Chih-Hung Yen, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Performance enhancement of a heterojunction bipolar transistor (HBT) by two-step passivation,¡¨ Applied Surface Science, vol. 252, pp. 7755-7759, 2006.

(238)   Ssu-I Fu, Shiou-Ying Cheng, Po-Hsien Lai, Yan-Ying Tsai, Ching-Wen Hung, Chih-Hung Yen, and Wen-Chau Liu, ¡§A study of composite-passivation of an InGaP/GaAs heterojunction bipolar transistor,¡¨ J. Electrochem. Soc., vol. 153, pp. G938-G942, 2006. (EI, SCI)

(239)   Jung-Hui Tsai, Shao-Yen Chiu, Wen-Shiung Lour, Der-Feng Guo, and Wen-Chau Liu, ¡§Application of double camel-like gate structures for a GaAs field-effect transistor with extremely high potential barrier height and gate turn-on voltage,¡¨ Semicond. Sci. Technol., vol. 21, pp. 1132-1138, 2006. (EI, SCI)

(240)   Yan-Ying Tsai, Ching-Wen Hung, Ssu-I Fu, Po-Hsien Lai, Huey-Ing Chen, and Wen-Chau Liu, ¡§On the hydrogen sensing properties of a Pt-oxide-In0.5Al0.5P Schottky diode,¡¨ Electrochemical and Solid-State Letters, vol. 9, pp. H108-H110, 2006. (EI, SCI)

(241)   Chong-Yi Lee, Chih-Hung Yen, Juh-Yuh Su, Hsen-Wen Lin, and Wen-Chau Liu, ¡§Enhanced luminescence and reduced junction temperature in n-type modulation-doped AlGaInP multiquantum-well light-emitting diodes,¡¨ Jpn. J. Appl. Phys., vol. 45, pp. 4000-4002, 2006. (EI, SCI)

(242)   Ssu-I Fu, Shiou-Ying Cheng, Tzu-Pin Chen, Po-Hsien Lai, Yan-Ying Tsai, Ching-Wen Hung, Chih-Hung Yen, and Wen-Chau Liu, ¡§Comprehensive study of emitter ledge thickness of InGaP/GaAs HBTs,¡¨ IEEE Trans. Electron Devices, vol. 53, pp. 2689-2695, 2006. (EI, SCI)

(243)   Ssu-I Fu, Shiou-Ying Cheng, Tzu-Pin Chen, Po-Hsien Lai, Ching-Wen Hung, Kuei-Yi Chu, Li-Yang Chen, and Wen-Chau Liu, ¡§Further suppression of surface recombination of an InGaP/GaAs HBT by Conformal Passivation,¡¨ IEEE Trans. Electron Devices, vol. 53, pp. 2901-2907, 2006. (SCI)

(244)   Shiou-Ying Cheng, Ssu-I Fu, Tzu-Pin Chen, Po-Hsien Lai, Rong-Chau Liu, Kuei-Yi Chu, Li-Yang Chen, and Wen-Chau Liu, ¡§The effect of sulfur treatment on the temperature-dependent performance of InGaP/GaAs HBTs,¡¨ IEEE Trans. on Device and Materials Reliability, vol. 6, pp. 500-508, 2006. (EI, SCI)

(245)   Ching-Wen Hung, Han-Lien Lin, Huey-Ing Chen, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, and Wen-Chau Liu, ¡§A novel Pt/In0.52Al0.48As Schottky diode-type hydrogen sensor,¡¨ IEEE Electron Device Lett., vol. 27, pp. 951-954, 2006. (SCI)

(246)   Tzu-Pin Chen, Ssu-I Fu, Jung-Hui Tsai, Wen-Shiung Lour, Der-Feng Guo, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Temperature-dependent characteristics of an emitter-ledge passivated InGaP/GaAs heterojunction bipolar transistor,¡¨ Semicond. Sci. Technol., vol. 21, pp. 1733-1737, 2006. (SCI)

(247)   Po-Hsien Lai, Ssu-I Fu, Ching-Wen Hung, Yan-Ying Tsai, Tzu-Pin Chen, Chun-Wei Chen, and Wen-Chau Liu, ¡§Temperature effect on impact ionization characteristics in metamorphic high electron mobility transistors,¡¨ Appl. Phys. Lett., vol. 89, pp. 263503-1-263503-1, 2006. (EI, SCI)

(248)   Der-Feng Guo, Chih-Hung Yen, Jung-Hui Tsai, Wen-Shiung Lour, and Wen-Chau Liu, ¡§Characteristics improvement for an n-p-n heterostructure optoelectronic switch by introducing a wide-gap layer in the collector,¡¨ J. Electrochem. Soc., vol. 154, pp. H13-H15, 2007. (EI, SCI)

(249)   Meng-Kai Hsu, Hon-Rung Chen, Shao-Yen Chiu, Wei-Tien Chen, Wen-Chau Liu, Jung-Hui Tsai, and Wen-Shiung Lour, ¡§Characteristics of mesa- and air-type In0.5Al0.5As/In0.5Ga0.5As metamorphic HEMTs with or without a buried gate,¡¨ Semicond. Sci. Technol., vol. 22, pp. 35-42, 2007.

(250)   Tzu-Pin Chen, Ssu-I Fu, Wen-Shiung Lour, Jung-Hui Tsai, Der-Feng Guo, and Wen-Chau Liu, ¡§Temperature effect of a heterojunction bipolar transistor with an emitter-edge-thinning structure,¡¨ Electrochemical and Solid-State Letters, vol. 10, pp. H56-H58, 2007. (EI)

(251)   Po-Hsien Lai, Rong-Chau Liu, Ssu-I Fu, Yan-Ying Tsai, Ching-Wen Hung, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Effect of formal passivations on temperature-dependent characteristics of high electron mobility transistors,¡¨ J. Electrochem. Soc., vol. 154, pp. H134-H138, 2007.

(252)   Ssu-I Fu, Shiou-Ying Cheng, Po-Hsien Lai, Yan-Ying Tsai, Ching-Wen Hung, and Wen-Chau Liu, ¡§On the emitter ledge length effect for InGaP/GaAs heterojunction bipolar transistors,¡¨ Jpn. J. Appl. Phys., vol. 46, pp. L74-L76, 2007.

(253)   Yan-Ying Tsai, Chin-Chuan Cheng, Po-Hsien Lai, Ssu-I Fu, Ching-Wen Hong, Huey-Ing Chen, and Wen-Chau Liu, ¡§Comprehensive study of hydrogen sensing characteristics of Pd metal-oxide-semiconductor (MOS) transistors with Al0.24Ga0.76As and In0.49Ga0.51P Schottky contact layers,¡¨ Sens. Actuators B, vol. 120, pp. 687-693, 2007. (EI)

(254)   Ching-Wen Hung, Shiou-Ying Cheng, Kun-Wei Lin, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, and Wen-Chau Liu, ¡§Hydrogen detection by a GaAs-based transistor with a palladium (Pd) thin film gate structure,¡¨ Advanced Materials Research, vol. 15-17, pp. 275-280, 2007.

(255)   Po-Hsien Lai, Rong-Chau Liu, Ssu-I Fu, Yan-Ying Tsai, Ching-Wen Hung, Tzu-Pin Chen, Chun-Wei Chen, and Wen-Chau Liu, ¡§Comprehensive study of thermal stability performance of metamorphic heterostructure field-effect transistors with Ti/Au and Au metal gates,¡¨ J. Electrochem. Soc., vol. 154, pp. H205-H209, 2007.

(256)   Po-Hsien Lai, Ssu-I Fu, Yan-Ying Tsai, Ching-Wen Hung, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Improved characteristics of a formal-passivated pseudomorphic high electron mobility transistor,¡¨ IEE Electron. Lett., vol. 43, pp. 54-55, 2007. (EI)

(257)   Tzu-Pin Chen, Ssu-I Fu, Shiou-Ying Cheng, Jung-Hui Tsai, Der-Feng Guo, Wen-Shiung Lour, and Wen-Chau Liu, ¡§Surface treatment effect on temperature-dependent properties of InGaP/GaAs heterobipolar transistors,¡¨ J. Appl. Phys., vol. 101, pp. 034501-1-034501-5, 2007.

(258)   Ssu-I Fu, Tzu-Pin Chen, Rong-Chau Liu, Shiou-Ying Cheng, Po-Hsien Lai, Yan-Ying Tsai, Ching-Wen Hung, and Wen-Chau Liu, ¡§Influence of emitter-edge-thinning thickness on the heterojunction bipolar transistor performance,¡¨ J. Electrochem. Soc., vol. 154, pp. H289-H292, 2007.

(259)   Der-Feng Guo, Chih-Hung Yen, Jung-Hui Tsai, Wen-Shiung Lour, and Wen-Chau Liu, ¡§Investigation of amplifying and switching characteristics in double heterostructure-emitter bipolar transistors,¡¨ J. Electrochem. Soc., vol. 154, pp. H283-H288, 2007.

(260)   Ching-Wen Hung, Han-Lien Lin, Huey-Ing Chen, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Hung-Ming Chuang, and Wen-Chau Liu, ¡§Comprehensive study of a Pd-GaAs high electron mobility transistor (HEMT)-based hydrogen sensor,¡¨ Sens. Actuators B, vol. 122, pp. 81-88, 2007.

(261)   Po-Hsien Lai, Ssu-I Fu, Ching-Wen Hung, Yan-Ying Tsai, Tzu-Pin Chen, Chun-Wei Chen, Yi-Wen Huang, and Wen-Chau Liu, ¡§On the temperature-dependent characteristics of metamorphic heterostructure field-effect transistors with different Schottky gate metals,¡¨ Semicond. Sci. Technol., vol. 22, pp. 475-480, 2007.

(262)   Ssu-I Fu, Rong-Chau Liu, Shiou-Ying Cheng, Po-Hsien Lai, Yan-Ying Tsai, Ching-Wen Hung, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Comprehensive investigation on emitter ledge length of InGaP/GaAs heterojunction bipolar transistors,¡¨ J. Vac. Sci. Technol. B, vol. 25, pp. 691-696, 2007.

(263)   Shiou-Ying Cheng, Ssu-I Fu, and Wen-Chau Liu, ¡§Improved performance of a dual-passivated heterojunction bipolar transistor,¡¨ J. Vac. Sci. Technol. B, vol. 25, pp. 734-738, 2007.

(264)   Ching-Wen Hung, Hung-Chi Chang, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Tzu-Pin Chen, Huey-Ing Chen, and Wen-Chau Liu, ¡§Study of a new field-effect resistive hydrogen sensor based on a Pd/oxide/AlGaAs transistor,¡¨ IEEE Trans. Electron Devices, vol. 52, pp. 1224-1231, 2007.

(265)   Yan-Ying Tsai, Ching-Wen Hung, Ssu-I Fu, Po-Hsien Lai, Hung-Chi Chang, Huey-Ing Chen, and Wen-Chau Liu, ¡§Comprehensive investigation of hydrogen-sensing properties of Pt/InAlP-based Schottly diodes,¡¨ Sens. Actuators B, vol. 124, pp. 535-541, 2007.

(266)   Ching-Wen Hung, Kun-Wei Lin, Hung-Chi Chang, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Tzu-Pin Chen, Huey-Ing Chen, and Wen-Chau Liu, ¡§Three-terminal-controlled field-effect resistive hydrogen sensor,¡¨ Sens. Actuators B, vol. 124, pp. 549-556, 2007.

(267)   Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Ching-Wen Hung, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Comprehensive analysis of hydrogen sensing properties of a Pd-gate metal-semicondutor high electron mobility transistor,¡¨ Appl. Phys. Lett., vol. 90, pp. 253503-1-253503-1, 2007.

(268)   Jung-Hui Tsai, C-M Li, Wen-Chau Liu, Der-Feng Guo, Shao-Yen Chiu, and Wen-Shiung Lour, ¡§Integration of n- and p-channel InGaP/InGaAs doped-channel pseudomorphic HFETs,¡¨ Electron. Lett., vol. 43, pp. 732-734, 2007.

(269)   Wei-Tien Chen, Hon-Rung Chen, Shao-Yen Chiu, Meng-Kai Hsu, Wen-Chau Liu, and Wen-Shiung Lour, ¡§Study of a new field-effect resistive hydrogen sensor based on a Pd/oxide/AlGaAs transistor,¡¨ IEEE Trans. Electron Devices, vol. 54, pp. 2411-2417, 2007.

(270)   Ching-Wen Hung, Kun-Wei Lin, Rong-Chau Liu, Yan-Ying Tsai, Po-Hsien Lai, Ssu-I Fu, Tzu-Pin Chen, Huey-Ing Chen, and Wen-Chau Liu, ¡§On the hydrogen sensing properties of a Pd/GaAs transistor-type gas sensor in a nitrogen ambiance,¡¨ Sens. Actuators B, vol. 125, pp. 22-29, 2007.

(271)   Yan-Ying Tsai, Huey-Ing Chen, Ching-Wen Hung, Tzu-Pin Chen, Tsung-Han Tsai, Kuei-Yi Chu, Li-Yang Chen, and Wen-Chau Liu, ¡§A Hydrogen Gas Sensitive Pt-In0.5Al0.5P Metal-Semiconductor Schottky Diode,¡¨ J. Electrochem. Soc., vol. 154, pp. J357-J361, 2007.

(272)   Tzu-Pin Chen, Ching-Wen Hung, Kuei-Yi Chu, Li-Yang Chen, Tsung-Han Tsai, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§On the temperature-dependent electron impact ionizations in a step-graded InAlGaAs/InP collector double heterojunction bipolar transistor,¡¨ Electrochem. Solid State Lett., vol. 10, pp. H351-H353, 2007.

(273)   Tsung-Han Tsai, Jun-Rui Huang, Kun-Wei Lin, Ching-Wen Hung, Huey-Ing Chen, and Wen-Chau Liu, ¡§Improved hydrogen sensing properties of a Pt/SiO2/GaN Schottky diode,¡¨ Electrochem. Solid State Lett., vol. 10, pp. J158-J160, 2007.

(274)   Ching-Wen Hung, Tsung-Han Tsai, Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Tzu-Pin Chen, and Wen-Chau Liu, ¡§A hydrogen sensor based on an InAlAs material with a Pt catalytic thin film,¡¨ Phys. Scr., vol. T129, pp. 1-4, 2007.

(275)   Yang-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, Ching-Wen Hung, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Hydrogen sensing performance of a Pt-oxide-GaN Schotty diode,¡¨ Electron. Lett., vol. 43, pp. 1192-1193, 2007.

(276)   Shao-Yen Chiu, Hon-Rung Chen, Wei-Tien Chen, Meng-Kai Hsu, Wen-Chau Liu, and Wen-Shiung Lour, ¡§Dynamic Performance of Dual-Emitter Phototransistor as Electro-Optical Switch,¡¨ Jpn. J. Appl. Phys., vol. 46, pp. 7705-7707, 2007.

(277)   Shao-Yen Chiu, Hon-Rung Chen, Wei-Tien Chen, Meng-Kai Hsu, Wen-Chau Liu, Jung-Hui Tsai, and Wen-Shiung Lour, ¡§Low-dark-current heterojunction phototransistors with long-term stable passivation induced by neutralized (NH4)(2)S treatment,¡¨ Jpn. J. Appl. Phys., vol. 47, pp. 35-42, 2008.

(278)   Tzu-Pin Chen, Shiou-Ying Cheng, Wei-Hsin Chen, Ching-Wen Hung, Kuei-Yi Chu, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Characteristics of an InP/InGaAs doubleheterojunction bipolar transistor (DHBT) with an InAlGaAs/InP composite collector structure,¡¨ J. Electrochem. Soc., vol. 155, pp. H136-H139, 2008.

(279)   Tzu-Pin Chen, Shiou-Ying Cheng, Ching-Wen Hung, Kuei-Yi Chu, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§A new InP/InGaAs double heterojunction bipolar transistor (DHBT) with a step-graded InAlGaAs collector structure,¡¨ IEEE Electron Device Lett., vol. 29, pp. 11-14, 2008.

(280)   Ching-Wen Hung, Tsung-Han Tsai, Huey-Ing Chen, Yan-Ying Tsai, Tzu-Pin Chen, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§Temperature-dependent hydrogen sensing characteristics of a new Pt/InAlAs Schottky diode-type sensor,¡¨ Sens. Actuators B, vol. 128, pp. 574-580, 2008.

(281)   Tsung-Han Tsai, Jun-Rui Huang, Kun-Wei Lin, Yan-Ying Tsai, Wei-Chou Hsu, Huey-Ing Chen, and Wen-Chau Liu, ¡§Improved hydrogen sensing characteristics of a Pt/SiO2/GaN Schottky diode,¡¨ Sens. Actuators B, vol. 129, pp. 292-302, 2008.

(282)   Ching-Wen Hung, Huey-Ing Chen, Tsung-Han Tsai, Chung-Fu Chang, Tzu-Pin Chen, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§Hydrogen-induced effect on device performance of a Pd/GaAs-basd heterostructure field-effect transistor (HFET),¡¨ J. Electrochem. Soc., vol. 155, pp. H243-H246, 2008.

(283)   Shiou-Ying Cheng, Ssu-I Fu, Kuei-Yi Chu, Tzu-Pin Chen, Wen-Chau Liu, and Li-Yang Chen, ¡§Improved performances of a two-step passivated heterojunction bipolar transistor,¡¨ Microelectron. Reliab., vol. 48, pp. 200-203, 2008.

(284)   Wen-Hsin Chen, Tzu-Pin Chen, Chi-Jhung Lee, Ching-Wen Hung, Kuei-Yi Chu, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Comparative study on temperature-dependent characteristics of InP/InGaAs single- and double-heterojunction bipolar transistors,¡¨ J. Vac. Sci. Technol. B, vol. 26, pp. 618-623, 2008.

(285)   Shiou-Ying Cheng, Kuei-Yi Chu, Li-Yang Chen, Lu-An Chen, and Wen-Chau Liu, ¡§Characteristics of an InGaP/AlXGa1-XAs/GaAs composite-emitter heterojunction bipolar transistor (CEHBT),¡¨ J. Vac. Sci. Technol. B, vol. 26, pp. 627-631, 2008.

(286)   Jung-Hui Tsai, Wen-Chau Liu, Der-Feng Guo, Yu-Chi Kang, Shao-Yen Chiu, Wen-Shiung Lour, ¡§Electrical properties of InP/InGaAs pnp heterostructure-emitter bipolar transistor,¡¨ Semiconductors, vol. 3, pp. 346-349, 2008.

(287)   Kuei-Yi Chu, Shiou-Ying Cheng, Tzu-Pin Chen, Ching-Wen Hung, Li-Yang Chen, Tsung-Han Tsai, Wen-Chau Liu, Lu-An Chen, ¡§Influnce of emitter-ledge thickness on the surface-recombination mechanism of InGaP/GaAs heterojunction bipolar transistor,¡¨ Superlatt. Microstruct., vol. 43, pp. 368-374, 2008.

(288)   Tsung-Han Tsai, Huey-Ing Chen, Kun-Wei Lin, Ching-Wen Hung, Chia-Hao Hsu, Tzu-Pin Chen, Li-Yang Chen, Kuei-Yi Chu, Chung-Fu Chang, and Wen-Chau Liu, ¡§On the Hydrogen Sensing Characteristics of a Pd/AlGaN/GaN Schottky Diode,¡¨ Appl. Phys. Express, vol. 1, pp. 041102-1-041102-3, 2008.

(289)   Li-Yang Chen, Shiou-Ying Cheng, Kuei-Yi Chu, Tsung-Han Tsai, Tzu-Pin Chen, Ching-Wen Hung, and Wen-Chau Liu, ¡§Effect of Non-Annealed Ohmic-Recess Structure on Temperature-Dependent Characteristics of Metamorphic High Electron Mobility Transistors (MHEMTs)¡¨ J. Electrochem. Soc., vol. 155, pp. H443-H447, 2008.

(290)   Der-Feng Guo, Jung-Hui Tsai, Tzu-Yen Weng, Chih-Hung Yen, Po-Hsien Lai, Ssu-I Fu, Ching-Wen Hung, and Wen-Chau Liu, ¡§Investigation on heterostructural optoelectronic switches¡¨ Surf. Rev. Lett., vol. 15, pp. 139-144, 2008.

(291)   Chih-Hung Yen, Ching-Wen Hung, Huey-Ing Chen, Tsung-Han Tsai, Tzu-Pin Chen, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§On the hydrogen sensing behaviors of an InAlAs-based Schotty Diode with a thin Pt catalytic metal,¡¨ Jpn. J. Appl. Phys., vol. 47, pp. 2862-2864, 2008.

(292)   Li-Yang Chen, Shiou-Ying Cheng, Kuei-Yi Chu, Ching-Wen Hung, Tzu-Pin Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Improved performance of non-annealed ohmic-recess metamorphic high electron mobility transistor,¡¨ Electron. Lett., vol. 44, pp. 771-772, 2008.

(293)   Ching-Wen Hung, Tsung-Han Tsai, Huey-Ing Chen, Yan-Ying Tsai, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Further investigation of a hydrogen-sensing Pd/GaAs heterostructure field-effect transistor (HFET),¡¨ Sens. Actuators B, vol. 132, pp. 587-592, 2008.

(294)   Tzu-Pin Chen, Wei-Hsin Chen, Chi-Jhung Lee, Kuei-Yi Chu, Li-Yang Chen, Ching-Wen Hung, Tsung-Han Tsai, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Temperature-dependent characteristics of an InP/InGaAs double heterojunuction bipolar transistor with a step-graded InAlGaAs collector¡¨ J. Appl. Phys., vol. 103, pp. 114506-1-114506-5, 2008.

(295)   Tsung-Han Tsai, Huey-Ing Chen, Kun-Wei Lin, Ching-Wen Hung, Chia-Hao Hsu, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§Comprehensive Study on Hydrogen sensing properties of a Pd-AlGaN based Schottky diode,¡¨ Int. J. Hydog. Engergy, vol. 33, pp. 2986-2992, 2008.

(296)   Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing, Ching-Wen Hung, Tzu-Pin Chen, Tsung-Han Tsai, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§Comprehensive study of a Pd/Al0.24Ga0.76As-based field-effect-transistor-type hydrogen sensor,¡¨ Sens. Actuators B, vol. 133, pp. 128-134, 2008.

(297)   Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, I-Ping Liu, Ching-Wen Hung, Tzu-Pin Chen, Tsung-Han Tsai, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§Hydrogen sensor properties of a Pt-oxide-GaN Schottky diode,¡¨ J. Appl. Phys., vol. 104, pp. 024515-1-024515-6, 2008.

(298)   Yan-Ying Tsai, Kun-Wei Lin, Huey-Ing Chen, I-Ping Liu, Ching-Wen Hung, Tzu-Pin Chen, Tsung-Han Tsai, Li-Yang Chen, Kuei-Yi Chu, and Wen-Chau Liu, ¡§Transient response of a transistor-based hydrogen sensor,¡¨ Sens. Actuators B, vol. 134, pp. 750-754, 2008.

(299)   Li-Yang Chen, Shiou-Ying Cheng, Tzu-Pin Chen, Kuei-Yi Chu, Tsung-Han Tsai, Yi-Chun Liu, Xin-Da Liao, and Wen-Chau Liu, ¡§On an InGaP/InGaAs Double Channel Pseudomorphic High Electron Mobility Transistor with Graded Triple £_-Doped Sheets,¡¨ IEEE Trans. Electron Devices, vol. , pp. 3310-3313, 2008.

(300)   Li-Yang Chen , Shiou-Ying Cheng , Tzu-Pin Chen , Tsung-Han Tsai , Yi-Chun Liu, Xin-Da Liao, and Wen-Chau Liu, ¡§Temperature-Dependent Characteristics of a Pseudomorphic High Electron Mobility Transistor (PHEMT) with Graded Triple Delta-Doped Sheets,¡¨ J. Electrochem. Soc., vol. 155, H. 955, 2008.

(301)   Tsung-Han Tsai, Huey-Ing Chen, I-Ping Liu, Ching-Wen Hung, Tzu-Pin Chen, Li-Yang Chen, Yi-Chun Liu, and Wen-Chau Liu, ¡§Investigation on a Pd-AlGaN/GaN Schottky Diode-Type Hydrogen Sensor with Ultrahigh Sensing Responses,¡¨ IEEE Trans. Electron Devices, vol. 55, pp. 3575-3581, 2008.

(302)   Li-Yang Chen, Shiou-Ying Cheng, Wen-Shiung Lour, Jung-Hui Tsai, Der-Feng Guo, Tsung-Han Tsai, Tzu-Pin Chen, Yi-Chun Liu, and Wen-Chau Liu, ¡§Effect of the non-annealed ohmic-recess approach on temperature-dependent properties of a metamorphic high electron mobility transistor,¡¨ Semicond. Sci. Technol., vol. 23, pp. 125041, 2008.

(303)   Chih-Hung Yen, Yi-Jung Liu, Nan-Yi Huang, Kuo-Hui Yu, Tzu-Pin Chen, Li-Yang Chen, Tsung-Han Tsai, Chong-Yi Lee, and Wen-Chau Liu, ¡§A New AlGaInP Multiple-Quantum-Well Light-Emitting Diode With a Thin Carbon-Doped GaP Contact Layer Structure,¡¨ IEEE Photonics Technol. Lett., vol. 20, pp. 1923-1925, 2009. (SCI)

(304)   Tzu-Pin Chen, Chi-Jhung Lee, Shiou-Ying Cheng, Wen-Shiung Lour, Jung-Hui Tsai, Der-Feng Guo, Ghun-Wei Ku, and Wen-Chau Liu, ¡§Effect of Emitter Ledge Thickness on InGaP/GaAs Heterojunction Bipolar Transistors,¡¨ Electrochem. Solid-State Lett., vol. 12, pp. H41-H43, 2009. (SCI)

(305)   Tzu-Pin Chen, Chi-Jhung Lee, Wen-Shiung Lour*, Der-Feng Guo, Jung-Hui Tsai, and Wen-Chau Liu, ¡§On the Breakdown Behaviors of InP/InGaAs Based Heterojunction Bipolar Transistors (HBTs),¡¨ Solid-State Electron., vol. 53, pp. 190-194, 2009. (EI)

(306)   Chung-Fu Chang, Tsung-Han Tsai, Huey-Ing Chen, Kun-Wei Lin, Tzu-Pin Chen, Li-Yang Chen, Yi-Chun Liu, and Wen-Chau Liu, ¡§Hydrogen Sensing Properties of a Pd/SiO2/AlGaN-Based MOS Diode,¡¨ Electrochem. Commun., vol. 11, pp. 65-67, 2009.

(307)   Jung-Hui Tsai, Shao-Yen Chiu, Wen-Shiung Lour, Wen-Chau Liu, Chien-Ming Li, Ning-Xing Su, Yi-Zhen Wu, Yin-Shan Huang, ¡§Microwave complementary doped-channel field-effect,¡¨ Superlattices Microstruct., vol. 45, pp. 33-38, 2009.

(308)   Tsung-Han Tsai, Huey-Ing Chen, Chung-Fu Chang, Po-Shun Chiu, Yi-Chun Liu, Li-Yang Chen, Tzu-Pin Chen, and Wen-Chau Liu, ¡§Hydrogen Sensing Properties of a Metamorphic High Electron Mobility Transistor,¡¨ Appl. Phys. Lett., vol. 94 , pp. 012102 , 2009. (SCI)

(309)   Tsung-Han Tsai, Huey-Ing Chen, Kun-Wei Lin, Yaw-Wen Kuo, Chung-Fu Chang, Ching-Wen Hung, Li-Yang Chen, Tzu-Pin Chen, Yi-Chun Liu, and Wen-Chau Liu, ¡§SiO2 Passivation Effect on the Hydrogen Adsorption Performance of a Pd/AlGaN-Based Schottky Diode,¡¨ Sens. Actuators B, vol. 136, pp. 338-343, 2009.

(310)   Chih-Hung Yen, Yi-Jung Liu, Kuo-Hui Yu, Pei-Ling Lin, Tzu-Pin Chen, Li-Yang Chen, Tsung-Han Tsai, Nan-Yi Huang, Chong-Yi Lee, and Wen-Chau Liu, ¡§On an AlGaInP-Based Light Emitting Diode with an Indium-Tin-Oxide (ITO) Direct Ohmic Contact Structure,¡¨ IEEE Electron Device Lett., vol. 30, pp. 359-361, 2009.

(311)   Li-Yang Chen, Huey-Ing Chen, Shiou-Ying Cheng, Tzu-Pin Chen, Tsung-Han Tsai, Yi-Chun Liu, Yi-Wen Huang, Chien-Chang Huang, and Wen-Chau Liu, ¡§On the Pseudomorphic High Electron Mobility Transistors (PHEMTs) with a Low-Temperature Gate Approach,¡¨ IEEE Electron Device Lett., vol. 30, pp. 325-327, 2009.

(312)   Jung-Hui Tsai, Wen Shiung Lour, Wen-Chau Liu, ¡§InGaP/GaAs/InGaAs delta-doped p-channel field-effect transistor with p(+)/n(+)/p camel-like gate structure,¡¨ Electron. Lett., vol. 45, pp. 572-573, 2009.

(313)   Li-Yang Chen, Huey-Ing Chen, Shiou-Ying Cheng, Tzu-Pin Chen, Tsung-Han Tsai, Yi-Jung Liu, Yi-Wen Huang, Chien-Chang Huang, Wen-Chau Liu ¡§Temperature-Dependent Characteristics of a Low Temperature Deposition Approach on a Pseudomorphic High Electron Mobility Transistor,¡¨ Electrochem. Solid-State Lett., vol. 12, pp. H211-H213, 2009.

(314)   Chih-Hung Yen, Yi-Jung Liu, Tzu-Pin Chen, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Study of an AlGaInP-Based Light-Emitting Diode With a Modulation-Doped Multiquantum-Well (MD-MQW) Structure,¡¨ IEEE Photonics Technol. Lett., vol. 21, pp. 609-611, 2009.

(315)   Tsung-Han Tsai, Huey-Ing Chen, Kun-Wei Lin, Yaw-Wen Kuo, Po-Shun Chiua, Chung-Fu Chang, Li-Yang Chen, Tzu-Pin Chen, Yi-Jung Liu, Wen-Chau Liu, ¡§On a Pd/InAlAs metamorphic high electron mobility transistor (MHEMT)-based hydrogen sensor,¡¨ Sens. Actuators B, vol. 139, pp. 310-316, 2009.

(316)   Li-Yang Chen, Huey-Ing Chen, Chien-Chang Huang, Yi-Wen Huang, Tsung-Han Tsai, Yi-Chun Liu, Tai-You Chen, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Characteristics of an electroless plated-gate transistor,¡¨ Appl. Phys. Lett., vol. 95, p. 052105, 2009.

(317)   Chih-Hung Yen, Yi-Jung Liu, Tzu-Pin Chen, Li-Yang Chen, Tsung-Han Tsai, and and Wen-Chau Liu, ¡§On an AlGaInP Light-Emitting Diode With a Modulation-Doped Multiquantum-Well (MD-MQW) Structure,¡¨ IEEE J. Quantum Electron., vol. 45, pp. 367-372, 2009.

(318)   Yi-Jung Liu, Chih-Hung Yen, Kuo-Hui Yu, Tzu-Pin Chen, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Characteristics of a low-damage GaN-Based light-emitting diode using a KOH-treated wet-etching approach,¡¨ Jpn. J. Appl. Phys., vol. 48, pp. 082104, 2009.

(319)   Tzu-Pin Chen, Chi-Jhung Lee, Li-Yang Chen, Tsung-Han Tsai, Yi-Jhung Liu, Chien-Chang Huang, Tai-You Chen, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Comparative Study of InGaP/GaAs Heterojunction Bipolar Transistors (HBTs) with Different Base Surface Treatments,¡¨ Superlatt. Microstruct., vol. 46, pp. 715-722, 2009.

(320)   Yi-Jung Liu, Chih-Hung Yen, Li-Yang Chen, Tsung-Han Tsai, Tsung-Yuan Tsai and Wen-Chau Liu, "On a GaN-based light-emitting diode with a p-GaN/i-InGaN superlattice structure," IEEE Electron Device Lett., vol. 30, pp. 1149-1151, 2009.

(321)   Yi-Jung Liu, Chih-Hung Yen, Chia-Hao Hsu, Kuo-Hui Yu, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Impact of an indium oxide/indium-tin-oxide mixed structure for GaN-based light-emitting diodes,¡¨ Opt. Rev., vol. 16 , pp. 575-577, 2009.

(322)   Li-Yang Chen, Shiou-Ying Cheng, Chien-Chang Huang, Tzu-Pin Chen, Tsung-Han Tsai, Yi-Jung Liu, Tai-You Chen, Chi-Hsiang Hsu, and Wen-Chau Liu, ¡§Thermal-stability performance of a metamorphic high electron mobility transistor (MHEMT) with non-annealed Ohmic contacts,¡¨ Solid-State Electron, vol. 54, pp. 279-282, 2010.

(323)   Yi-Jung Liu, Chih-Hung Yen, Kuo-Hui Yu, Pei-Ling Lin, Li-Yang Chen, Tsung-Han Tsai, Tsung-Yuan Tsai, and Wen-Chau Liu, ¡§Characteristics of an AlGaInP-Based light emitting diode with an indium-tin-oxide (ITO) direct ohmic contact structure,¡¨ IEEE J. Quantum Electron., vol. 46 , pp. 246-252, 2010.

(324)   Yi-Jung Liu, Tsung-Yuan Tsai, Chih-Hung Yen, Li-Yang Chen, Tsung-Han  Tsai, Chien-Chang Huang, Tai-You Chen, Chi-Hsiang Hsu, and Wen-Chau Liu, ¡§Performance investigation of GaN-based light-emitting diodes with tiny misorientation of sapphire substrates,¡¨ Opt. Express, vol. 18, pp. 2729-2742, 2010.

(325)   Li-Yang Chen, Huey-Ing Chen, Shiou-Ying Cheng, Tsung-Han Tsai, Yi-Chun Liu, Chien-Chang Huang, Tai-You Chen, Chi-Hsiang Hsu, and Wen-Chau Liu, ¡§Performance of a GaAs based pseudomorphic transistor with the electroless-plated surface treated gate,¡¨ J. Electrochem. Soc., vol. 157, pp. H408-H413, 2010.

(326)   Tsung-Yuan Tsai, Yi-Jung Liu, Chih-Hung Yen, and Wen-Chau Liu, ¡§On an AlGaInP multiple-quantum-well light emitting diode with a thin carbon-doped GaP contact layer structure,¡¨ J. Electrochem. Soc., vol. 157, pp. H459-H462, 2010.

(327)   Yi-Jung Liu, Tsung-Yuan Tsai, Chih-Hung Yen, Li-Yang Chen, Tsung-Han Tsai, and Wen-Chau Liu, ¡§Characteristics of a GaN-based light-emitting diode with an inserted p-GaN/i-InGaN superlattice structure,¡¨ IEEE J. Quantum Electron., vol. 46, pp. 492-498, 2010.

(328)   Tsung-Han Tsai, Huey-Ing Chen, Tai-Yu Chen, Li-Yang Chen, Yi-Jung Liu, Chien-Chang Huang, Kai-Siang Hsu, and Wen-Chau Liu, ¡§Hydrogen Sensing Properties of a Pd/Oxide/InAlAs Metamorphic-Based Transistor,¡¨ Int. J. Hydog. Engergy, vol. 35, pp. 3903-3907, 2010.

(329)   Yi-Jung Liu, Tsung-Yuan Tsai, Kuo-Hui Yu, Der-Feng Guo, Li-Yang Chen, Tsung-Han Tsai, Wen-Chau Liu, ¡§A low damage GaN-based light-emitting diode with textured/inclined sidewalls and an air-buffer layer,¡¨ DISPLAYS, vol. 31, pp. 111-114, 2010.

(330)   Jung-Hui Tsai, Wen-Shiung Lour, Chia-Hong Huang, Ning-Feng Dale, Yuan-Hong Lee, Jhih-Syuan Sheng, Wen-Chau Liu, ¡§Investigation of InGaP/GaAs/InGaAs camel-like gate delta-doped p-channel field-effect transistor,¡¨ Solid-State Electron., vol. 54, pp. 275-278, 2010.

(331)   Tsung-Han Tsai, Huey-Ing Chen, Kun-Wei Lin, Tai-You Chen, Chien-Chang Huang, Kai-Siang Hsu, and Wen-Chau Liu, ¡§A Hydrogen Sensor Based on a Metamorphic High Electron Mobility Transistor (MHEMT),¡¨ Microelectron. Reliab., vol. 50, pp. 734-737, 2010.

(332)   Yi-Jung Liu, Der-Feng Guo, Li-Yang Chen, Tsung-Han Tsai, Chien-Chang Huang, Tai-You Chen, Chi-Hsiang Hsu and Wen-Chau Liu, ¡§Investigation of electrostatic discharge performance of GaN-based light-emitting diodes with naturally-textured p-GaN contact layers grown on miscut sapphire substrates,¡¨ IEEE Trans. Electron Devices, vol. 57, pp. 2155-2162, 2010.

(333)   Yi-Jung Liu, Tsung-Yuan Tsai, Chih-Hung Yen, Li-Yang Chen, Tsung-Han Tsai, Chien-Chang Huang, Tai-You Chen, Chi-Hsiang Hsu, and Wen-Chau Liu, ¡§Electrostatic discharge performance of GaN-based light-emitting diodes with naturally textured p-GaN Layers grown on vicinal sapphires,¡¨ Electrochem. Solid State Lett., vol. 13, pp. h406-h408, 2010.

(334)   Jung-Hui Tsai, Wen-Shiung Lour, Der-Feng Guo, Wen-Chau Liu, Yi-Zhen Wu, and Ying-Feng Dai, ¡§InP/GaAsSb Type-II DHBTs with GaAsSb/lnGaAs Superlattice-Base and GaAsSb Bulk-Base Structures,¡¨ Semiconductors., Vol. 44, pp. 1096-1100, 2010.

(335)   Chien-Chang Huang, Yi-Jung Liu, Tai-You Chen, Chi-Shiang Hsu, Chung-I Kao, and Wen-Chau Liu, ¡§Improved Thermal Stability Performance of a Metamorphic High Electron Mobility Transistor (MHEMT) with a Double £_-Doped Structure,¡¨ Electrochem. Solid State Lett., vol. 14, pp. H36-H38, 2011.

(336)   Yi-Jung Liu, Chien-chang Huang, Tai-you Chen, Chi-hsiang Hsu, Shiou-ying Cheng, Kun-wei Lin, Jian-kai Liou, and Wen-chau Liu, ¡§Improved performance of GaN-based light-emitting diodes by using short-period superlattice structures,¡¨ Prog. Nat. Sci., vol. 20, pp. 70-75, 2011.

(337)   Yi-Jung Liu, Huey-Ing Chen, Shiou-Ying Cheng, Kun-Wei Lin, and Wen-Chau Liu, ¡§Investigation of GaN-Based Light-Emitting Diodes Grown on Vicinal Sapphire Substrates,¡¨ Physica Status Solidi. (c), vol. 8, pp. 1664-1668, 2011.

(338)   Yi-Jung Liu, Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Jian-Kai Liou, and Wen-Chau Liu, ¡§Improved performance of an InGaN-based light-emitting diode with a p-GaN/n-GaN barrier junction,¡¨ IEEE J. Quantum Electron., vol. 47, pp. 755-761, 2011.

(339)   Tai-You Chen, Huey-Ing Chen, Yi-Jung Liu, Chien-Chang Huang, Chi-Shiang Hsu, Chung-Fu Chang, and Wen-Chau Liu, ¡§Ammonia Sensing Characteristics of a Pt/AlGaN/GaN Schottky Diode,¡¨ Sens. Actuators B., vol. 155, pp. 347-350, 2011.

(340)   Tai-You Chen, Huey-Ing Chen, Yi-Jung Liu, Chien-Chang Huang, Chi-Shiang Hsu, Chung-Fu Chang, and Wen-Chau Liu, ¡§Ammonia sensing properties of a Pt/AlGaN/GaN Schottky diode,¡¨ IEEE Trans. Electron Devices., vol. 58, pp. 1541-1547, 2011.

(341)   Chien-Chang Huang, Huey-Ing Chen, Shiou-Ying Cheng, Li-Yang Chen, Tsung-Han Tsai, Yi-Chun Liu, Tai-You Chen, Chi-Hsiang Hsu, and Wen-Chau Liu, ¡§On the Characteristics of an Electroless Plated (EP)-Based Pseudomorphic High Electron Mobility Transistor (PHEMT),¡¨ Solid-State Electron., vol. 61, pp. 13-17, 2011.

(342)   Tai-You Chen, Huey-Ing Chen,  Chien-Chang Huang, Chi-Shiang Hsu, Po-Shun Chiu, Po-Cheng Chou, and Wen-Chau Liu, ¡§Improved hydrogen-sensing performance of a Pd/GaN Schottky diode with a surface plasma treatment approach,¡¨ Sens. Actuators B., 2011 (to be published).

(343)   Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Chun-Chia Chen, Chung-I Kao, and Wen-Chau Liu, ¡§Performance of Metamorphic Transistors with d-Doped Structures,¡¨ J. Phys. Chem. C, vol. 115, pp. 13476-13479, 2011.

(344)   Yi-Jung Liu, Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Jian-Kai Liou, Tsung-Yuan Tsai, and Wen-Chau Liu, ¡§Implementation of an indium-tin-oxide (ITO) direct-Ohmic contact structure on a GaN-based light emitting diode,¡¨ Optics Express, vol. 19, pp. 14662-14670, 2011.

(345)   Yi-Jung Liu, Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Tsung-Yuan Tsai, and Wen-Chau Liu, ¡§On a GaN-Based Light Emitting Diode with an Indium-Tin-Oxide (ITO) Direct-Ohmic Contact Structure,¡¨ IEEE Photonics Technol. Lett., vol. 23, pp. 1037-1039, 2011.

(346)   Yi-Jung Liu, Der-Feng Guo, Kuei-Yi Chu, Shiou-Ying Cheng, Jian-Kai Liou, Li-Yang Chen, Tsung-Han Tsai, Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Tsung-Yuan Tsai, and Wen-Chau Liu, ¡§Improved current-spreading performance of an InGaN-based light-emitting diode with a clear p-GaN/n-GaN barrier junction,¡¨ Displays, 2011 (to be published).

(347)   Jun-Rui Huang, Wei-Chou Hsu, Yeong-Jia Chen, Tzong-Bin Wang, Huey-Ing Chen, and Wen-Chau Liu, ¡§Investigation of Hydrogen-Sensing Characteristics of a Pd/GaN Schottky Diode,¡¨ IEEE Sens. J., vol. 11, pp. 1194-1200, 2011.

(348)   Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Chun-Chia Chen, Chung-I Kao, and Wen-Chau Liu, ¡§Comprehensive Temperature-Dependent Studies of Metamorphic High Electron Mobility Transistors (MHEMTs) with Double and Single £_-Doped Structures,¡¨ IEEE Trans. Electron Devices, vol. 58, pp. 4276-4282, 2011.

(349)   Cheng-Wei Lin, Huey-Ing Chen, Tai-You Chen, Chien-Chang Huang, Chi-Shiang Hsu, and Wen-Chau Liu, ¡§Ammonia Sensing Characteristics of Sputtered Indium Tin Oxide (ITO) Thin Films on Quartz and Sapphire Substrates,¡¨ IEEE Trans. Electron Devices, vol. 58, pp. 4407-4413, 2011.

(350)   Cheng-Wei Lin, Huey-Ing Chen, Tai-You Chen, Chien-Chang Huang, Chi-Shiang Hsu, Rong-Chau Liu, and Wen-Chau Liu, ¡§On an Indium-Tin-Oxide Thin Film Based Ammonia Gas Sensor,¡¨ Sens. Actuators B., vol. 160, pp. 1481-1484, 2011.

(351)   Tai-You Chen, Huey-Ing Chen, Chien-Chang Huang, Chi-Shiang Hsu, Po-Shun Chiu, Po-Cheng Chou, Rong-Chau Liu, and Wen-Chau Liu, ¡§Hydrogen-Sensing Characteristics of a Pd/GaN Schottky Diode With a Simple Surface Roughness Approach,¡¨ IEEE Trans. Electron Devices, vol. 58, pp. 4079-4086, 2011.

(352)   Chi-Shiang Hsu, Kun-Wei Lin, Huey-Ing Chen, Tai-You Chen, Chien-Cheng Huang, Po-Cheng Chou, Rong-Chau Liu, and Wen-Chau Liu, ¡§On a Heterostructure Field-Effect Transistor (HFET) Based Hydrogen Sensing System,¡¨ Int. J. Hydrog. Energy, vol.36, pp. 15906-15912, 2011.

(353)   Chien-Chang Huang, Chun-Chia Chen, Jian-KaI Liou, Po-Cheng Chou, Huey-Ing Chen, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Performance of a GaAs-Based Pseudomorphic High Electron Mobility Transistor (PHEMT) with an Electroless-Plated Treated Gate,¡¨ MATER SCI Forum, vol. 694, pp. 891-895, 2011.

(354)   Tai-You Chen, Jian-Sheng Wu, Chi-Shiang Hsu, Po-Cheng Chou, Huey-Ing Chen, Kun-Wei Lin, and Wen-Chau Liu, ¡§ZnO Nanorods Based Ammonia Gas Sensors with Interdigitized Electrodes,¡¨ MATER SCI Forum, vol. 694, pp. 155-159, 2011.

(355)   Jian-Kai Liou, Yi-Jing Liu, Shiou-Ying Cheng, Po-Cheng Chou, Chiun-Chia Chen, and Wen-Chau Liu, ¡§Performance on GaN-Based Light-Emitting Diodes with Different Substrate Tilt Angles,¡¨ MATER SCI Forum, vol. 694, pp. 842-846, 2011.

(356)   Kuei-Yi Chu, Shiou-ying Cheng, Meng-Hsueh Chiang, Yi-Jung Liu, Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Wen-Chau Liu, Wen-Yu Cheng, and Bin-Cian Lin, ¡§Effect of Graded Triple Delta-Doped Sheets on the Performance of GaAs Based Dual Channel Pseudomorphic High Electron Mobility Transistors,¡¨ Superlatt. Microstruct., vol. 50, pp. 289-295, 2011.

(357)   Kuei-Yi Chu, Shiou-Ying Cheng, Meng-Hsueh Chiang, Yi-Jung Liu, Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Wen-Chau Liu, Wen-Yu Cheng, and Bin-Cian Lin, ¡§Comprehensive Study of InGaP/InGaAs/GaAs Dual Channel Pseudomorphic High Electron Mobility Transistors,¡¨ Solid-State Electron., 2011 (to be published).

(358)   Kuei-Yi Chu, Meng-Hsueh Chiang, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Characteristics of InGaP/InGaAs Pseudomorphic High Electron Mobility Transistors (PHEMTs) with Triple Delta-Doped Sheets,¡¨ Semiconductors, vol. 46, pp. 214-218, 2012.

(359)   Chien-Chang Huang, Huey-Ing Chen, Tai-You Chen, Chi-Shiang Hsu, Chun-Chia Chen, Hsuan-Sheng Chang, and Wen-Chau Liu, ¡§On an Electroless-Plating (EP) Gate Metamorphic Transistor,¡¨ Electrochem. Solid State Lett., vol. 15, pp. H41-H43, 2012.

(360)   Chi-Shiang Hsu, Huey-Ing Chen, Chung-Fu Chang, Tai-You Chen, Chien-Chang Huang, Po-Cheng Chou, and Wen-Chau Liu, ¡§On the Hydrogen Sensing Characteristics of a Pd/AlGaN/GaN Heterostructure Field-Effect Transistor (HFET),¡¨ Sens. Actuators B., 2012. (to be published)

(361)   Tai-You Chen, Huey-Ing Chen, Chi-Shiang Hsu, Chien-Chang Huang, Chung-Fu Chang, Po-Cheng Chou, and Wen-Chau Liu, ¡§On a Ammonia Gas Sensor Based on a Pt/AlGaN Heterostructure Field-Effect Transistor,¡¨ IEEE Electron Devices Lett., 2012. (to be published)

B. Conference papers

(1)           W. C. Liu, S. J. Wang, C. Y. Chang, and B. D. Liu, ¡§The V-grooved etching enchanced high voltage power transistor,¡¨ Proc. Electronic Devices and Materials Symposium, Hsinchu, Taiwan, pp. 238-244, 1981.

(2)           W. C. Liu, C. Y. Chang, and W. C. Hsu, ¡§A new technique for high voltage power transistor,¡¨ Proc. NCKU/AAS Int. Symposium, Taiwan, pp. 1419-1441, 1981. (EI)

(3)           W. C. Hsu, C. Y. Chang, and W. C. Liu, ¡§Deep level transient spectroscopic study in a-Si-H thin film devices,¡¨ Proc. NCKU/AAS Int. Symposium, Taiwan, R.O.C., pp. 1472-1486, 1981.

(4)           C. Y. Chang, Y. K. Fang, and W. C. Liu, W. C. Hsu, and Y. C. Chen, ¡§Deposition and growth mechanism of plasma deposited a-Si-H films,¡¨ Proc. Int. Optoelectronics Workshop, Tainan, Taiwan, pp. 212-228, 1981.

(5)           C. E. Zah, C. Y. Chang, Y. K. Fang, W. C. Liu, W. C. Hsu, and Y. C. Chen, ¡§A study of fabrication of IL/MIS solar cell,¡¨ Proc. Int. Optoelectronics Workshop, Tainan, Taiwan, pp. 280-299, 1981.

(6)           C. Y. Chang, W. C. Hsu, T. Y. Chen, W. C. Liu, Y. K. Fang,, and R. M. Chen, ¡§The analysis of exponential transients in deep-level periodic transient spectroscopy,¡¨ ECS Conference Extended Abstracts, 82-2, pp. 369-370, 1982. (EI)

(7)           C. Y. Chang, W. C. Liu, W. C. Hsu, Y. K. Fang, and R. C. Liu, ¡§Depletion layer characteristics near the surface of V-grooved high voltage p-n junction,¡¨ ECS Conference Extended Abstracts, 82-2, pp. 372, 1982. (EI)

(8)           C. Y. Chang, W. C. Liu, W. C. Hsu, Y. K. Fang, and R. C. Liu, ¡§A modeling and simulation for breakdown voltage of V-grooved bipolar device,¡¨ Proc. AMSE Conference, 4, pp. 42-43, 1982.

(9)           C. Y. Chang, W. C. Liu, W. C. Hsu, and Y. K. Fang, ¡§A new technique for high voltage devices,¡¨ ECS Conference Extended Abstracts, 82-1, pp. 293-294, 1982.

(10)       C. Y. Chang, K. Y. Chang, Y. H. Wang, W. C. Liu, and S. A. Liao, ¡§Defects in GaAs and AlXGa1-XAs grown by MBE,¡¨ ECS Conference Extended Abstracts, vol. 84-2, pp. 644-645, 1984. (EI)

(11)       C. Y. Chang, Y. H. Wang, W. C. Liu, and S. A. Liao, ¡§Characterization of Si-doped GaAs MBE grown films,¡¨ Proc. Electronic Devices and Materials Symposium, Taiwan, pp. 413-415, 1984.

(12)       S. A. Liao, W. C. Liu, Y. H. Wang, C. Y. Chang, and K. Y. Cheng, ¡§Be-doped GaAs by molecular beam epitaxy,¡¨ Proc. Annual Convention of the Chinese Institute of Material Science, pp. 220-223, 1985.

(13)       C. Y. Chang, W. C. Liu, S. A. Liao, and Y. H. Wang, ¡§MBE grown n+-i-(p+)-i-n+ GaAs U-groove barrier transistors,¡¨ Int. Symp. GaAs and Related Compounds, Japan, no. 79, pp. 643-648, 1985. (EI)

(14)       Y. H. Wang, W. C. Liu, C. Y. Chang, M. S. Jame, and S. A. Liao, ¡§Epitaxy of arsenic-pressure-controlled MBE-grown GaAs layers,¡¨ Material Research Symposium, H6.8, U. S. A., 1985. (EI)

(15)       C. Y. Chang, W. C. Liu, M. S. Jame, and Y. H. Wang, ¡§The new high speed devices: The TEG-base transistor,¡¨ Proc. 18th International conference on Solid state Devices and Materials, Tokyo, Japan, pp. 355-357, 1986. (EI)

(16)       C. Y. Chang, W. C. Liu, Y. H. Wang, and S. M. Sze, ¡§The new high speed devices: The barrier transistor and the TEG-base transistor,¡¨ Extended Abstracts of Compound Semiconductor Science & Technology Symposium, Hsinchu, Taiwan, pp. 50-54, 1986.

(17)       C. Y. Chang, W. C. Liu, Y. H. Wang, and M. S. Jame, ¡§The MBE grown GaAs quantum well base hot electron transistor,¡¨ Proc. Electronic Devices and Materials Symposium, Tainan, Taiwan, pp. 107-109, 1986.

(18)       W. S. Lour, C. Y. Chang, M. S. Jame, K. F. Yarn, Y.H. Wang, and W. C. Liu, ¡§A MESFET with a GaAs or an AlXGa1-XAs buffer layer prepared by molecular beam epitaxy,¡¨ Proc. Electronic Devices and Materials Symposium, Tainan, Taiwan, pp. 90-92, 1986.

(19)       W. S. Lour, C. Y. Chang, M. S. Jame, H. R. Chen, W. C. Liu, and Y. H. Wang, ¡§An enhancement mode p-channel MODFET prepared by M.B.E.,¡¨ Proc. Electronic Devices and Materials Symposium, Tainan, Taiwan, pp. 95-98, 1986.

(20)       M. S. Jame, W. S. Lour, H. R. Chen, W. C. Liu, R. L. Wang, and C. Y. Chang, ¡§Heterostructure FET prepared by M.B.E.,¡¨ Proc. Electronic Devices and Materials Symposium, Taipei, Taiwan, pp. 32-36, 1987.

(21)       C. Y. Chang, T. S. Wu, W.C. Hsu, Y. K. Su, Y. H. Wang, W. C. Liu, B. C. Fang, W. Liu, and F. Kai, ¡§Optoelectronic and high speed devices fabricated by MBE, MOCVD & LPE at SSL,¡¨ Proceeding International Workshop on Semiconductor Defect physics and Engineering, Tainan, Taiwan, pp. 168-210, 1987.

(22)       W. C. Liu, W. S. Lour, R. L. Wang, and C. Y. Sun, and W. C. Hsu, ¡§Application of GaAs-AlGaAs superlattice structure for fabricating high breakdown voltage power MISFET,¡¨ Material Research Symposium, D7.10, Boston, Massachusetts, U.S.A., 1990.

(23)       W. C. Liu, C. Y. Sun, W. S. Lour, R. L. Wang, J. W. Wu, ¡§On the modeling and analysis of delta-doped structure for high speed, high power FET application,¡¨ The Eighth International Model Analysis Conference, Florida, U.S.A., 1990.

(24)       W. C. Liu, R. L. Wang, C. Y. Sun, W. S. Lour, and C. C. Hong, ¡§On the S-shaped negative differential conductivity in GaAs delta-doped superlattice,¡¨ Materials Research Symposium, J3.12, San Francisco, U.S.A., 1990.

(25)       W. C. Liu, C. Y. Sun, W. S. Lour, R. L.Wang, and W. C. Hsu, ¡§Analysis and calculation on an atomic scaled doped structure,¡¨ Material Research Symposium, Q2.1, San Francisco, U.S.A., 1990.

(26)       W. C. Liu, J. W. Wu, W. S. Lour, and C. Y. Sun, ¡§A GaAs quantum-well switching device with S-shaped negative-differential resistance,¡¨ Material Research Symposium, B3.6, Boston, Massachusetts U.S.A., 1990.

(27)       W. C. Liu, J. W. Wu, C. Y. Sun, and W. S. Lour, ¡§Investigation of d-doped negative-differential resistance devices prepared by molecular beam epitaxy,¡¨ Materials Research Symposium, B3.8, Boston, Massachusetts, U.S.A., 1990.

(28)       J. W. Wu, W. C. Liu, C. Y. Sun, and W. S. Lour, ¡§Long period d-doped negative-differential-resistance devices prepared by molecular beam epitaxy,¡¨ Proc. Int. Electronic Devices & Materials Symposium, Hsinchu, Taiwan, pp. 77-79, 1990.

(29)       W. C. Liu, W. S. Lour, C. Y. Sun, D. F. Guo, and Y. S. Lee, ¡§MBE grown double negative-differential-resistance AlGaAs/GaAs superlattice-emitter transistor,¡¨ the Sixth European Conference on Molecular Beam Epitaxy and Related Growth Methods, Tampere, Finland, Apr. 21-24, 1991.

(30)       W. C. Liu, W. S. Lour, C. Y. Sun, Y. S. Lee, and D. F. Guo, ¡§Applications of AlGaAs/GaAs superlattice for negative-differential-resistance transistor,¡¨ Proc. International Conference on Thin Film Physics and Applications, (¡¥91TFPA), SPIE, Shanghai, China, vol. 1519, pp. 670-674, 1991. (EI)

(31)       W. C. Liu, C. Y. Sun, W. S. Lour, D. F. Guo, and Y. S. Lee, ¡§Applications of GaAs graded-period doping superlattice for negative-difference-resistence device,¡¨ Proc. International Conference on Thin Film Physics and Applications (¡¥91TFPA), SPIE, Shanghai, China, Apr.15-17, vol. 1519, pp. 640-644, 1991. (EI)

(32)       W. C. Liu, W. S. Lour, C. Y. Sun, Y. S. Lee, and D. F. Guo, ¡§A new multi-functional AlGaAs/GaAs heterostructure-emitter bipolar transistor,¡¨ International MicroProcess Conference, B-8-2, Kanazawa, Japan, July15-18, 1991.

(33)       W. C. Liu, C. Y. Sun, W. S. Lour, D. F. Guo, and Y. S. Lee, ¡§The room temperature characteristics of d-doped superlattice switching transistor,¡¨ Proc. International Conference on Solid State Devices and Materials, Yokohama, Japan, Aug. 27-29, pp. 368-370, 1991. (EI)

(34)       W. C. Liu, W. S. Lour, Y. H. Wang, C. Y. Sun, Y. S. Lee, and D. F. Guo, ¡§Hybrid (confinement and tunneling) application of AlGaAs/GaAs superlattice in a double-NDR transistor,¡¨ Proc. International Conference on Solid State Devices and Materials, Yokohama, Japan, Aug. 27-29, pp. 371-373, 1991. (EI)

(35)       Y. S. Lee, W. C. Liu, W. S. Lour, C. Y. Sun, and D. F. Guo, ¡§Investigation of superlattice-emitter bipolar transistor prepared by molecular beam epitaxy,¡¨ Proc. Electronic Devices and Materials Symposium, Taipei, Taiwan, pp. 359-363, 1991.

(36)       D. F. Guo, W. C. Liu, W. S. Lour, C. Y. Sun, and Y. S. Lee, ¡§Investigation of heterostructure-emitter transistor prepared by molecular beam epitaxy,¡¨ Proc. Electronic Devices and Materials Symposium, Taipei, Taiwan, pp. 364-368, 1991.

(37)       W. C. Liu, C. Y. Sun, D. F. Guo, and W. S. Lour, ¡§Application of sawtooth-doping-superlattice collector to bipolar transistor,¡¨ Abstr. 6th International Conference on Superlattices, Microstructures and Microdevices, Xi¡¦an, China, pp. 115, 1992.

(38)       W. C. Liu, W. S. Lour, C. Y. Sun, and D. F. Guo, ¡§Multi-state superlattice-emitter resonant-tunneling bipolar transistor with circuit applications,¡¨ Abstr. 6th International Conference on Superlattices, Microstructures and Microdevices, Xi¡¦an, China, pp. 116, 1992.

(39)       W. C. Liu, D. F. Guo, W. S. Lour, C. Y. Sun, and R. C. Liu, ¡§MBE grown GaAs double heterostructure-emitter bipolar transistor,¡¨ Proc. International Electronic Devices and Materials Symposium, Taipei, Taiwan, pp. 243-246, 1992.

(40)       W. C. Liu, C. Y. Sun, D. F. Guo, and R. C. Liu, ¡§MBE grown GaAs sawtooth-doping-superlattice-collector bipolar transistor,¡¨ Proc. International Electronic Devices and Materials Symposium, Taipei, Taiwan, pp. 458-461, 1992.

(41)       W. C. Liu, C. Y. Sun, D. F. Guo, and W. S. Lour, ¡§Investigation of GaAs doping superlattice structure,¡¨ Proc. 1993 Symposium on Semiconductor Modeling & Simulation, Taipei, Taiwan, pp. 91-92, 1993.

(42)       W. C. Liu, D. F. Guo, W. S. Lour, and C. Y. Sun, ¡§GaAs bipolar transistor with a triple-well emitter structure,¡¨ Proc. 1993 Symposium on Semiconductor Modeling & Simulation, Taipei, Taiwan, pp. 95-96, 1993.

(43)       W. C. Liu, W. S. Lour, D. F. Guo, and C. Y. Sun, ¡§Modeling and simulating the electrical properties of heterostructure-emitter bipolar transistor,¡¨ Proc. 1993 Symposium on Semiconductor Modeling & Simulation, Taipei, Taiwan, pp. 69-70, 1993.

(44)       W. C. Liu, W. C. Hsu, W. S. Lour, and H. M. Shieh, ¡§A new n--GaAs/n+-InGaAs doped-channel MIS-like FET,¡¨ International Conference on Solid-State Devices and Materials, PD2-4, Makuhari Messe, Chiba, Japan, Aug. 29, Step. 1, 1993.

(45)       W. C. Liu, D. F. Guo, S. R. Yih, and G. M. Lyuu, ¡§The new tristate switches with double delta-doped quantum-well structure,¡¨ Proc. Electronic Devices and Materials Symposium, Chungli, Taiwan, pp. 28-31, 1993.

(46)       W. C. Liu, D. F. Guo, J. T. Liang, and L. W. Laih, ¡§A new GaAs doped-channel field-effect transistor,¡¨ Proc. Electronic Devices and Materials Symposium, Chungli, Taiwan, pp. 148-150, 1993.

(47)       W. C. Liu, D. F. Guo, and L. W. Laih, ¡§MBE grown GaAs-InGaAs quantum-well resonant-tunneling switching device,¡¨ Proc. Electronic Devices and Material Symposium, Hsinchu, Taiwan, pp. 46-48, 1994.

(48)       W. C. Liu, D. F. Guo, L. W. Laih, S. R. Yih, J. T. Liang, and G. M. Lyuu, ¡§A new delta-doped quantum-well InGaAs-GaAs resonant-tunneling switching device,¡¨ Proc. 24th European Solid State Device Research Conference, Edinburgh, Scotland, pp. 551-554, 1994.

(49)       Y. H. Wu, J. S. Su, W. C. Liu, and W. Lin, ¡§A new In0.53Al0.22Ga0.25As/InP heterojunction bipolar transistor grown by LP-MOCVD,¡¨ Proc. 24th European Solid State Device Research Conference, Edinburgh, Scotland, pp. 455-458, 1994.

(50)       M. J. Kao, W. C. Hau, W. C. Liu, H. S. Shieh, ¡§High carrier density and mobility in GaAs/InGaAs/GaAs double delta-doped channels heterostructures,¡¨ Proc. 24th European Solid State Device Research Conference, Edinburgh, Scotland, pp. 559-562, 1994.

(51)       W. C. Liu, D. F. Guo, and L. W. Laih, ¡§A new negative-differencial-resistance resonant-tunneling switch with delta-doped quantum-well structure,¡¨ Proc. 1994 International Conference on Solid State Devices and Materials, Yokohama, Japan, pp. 796-798, 1994. (EI)

(52)       W. C. Liu, L. W. Laih, D. F. Guo, and J. H. Tsai, ¡§Defect on Be-doped AlGaAs layers grown by molecular beam epitaxy,¡¨ Proc. 1994 International Conference on Electronic and Materials, Hsinchu, Taiwan, vol. 3, pp. 171-176, 1994.

(53)       W. C. Liu, W. S. Lour, J. H. Tsai, L. W. Laih, K. B. Thei, C. Z. Wu, Y. T. Ting, and R. C. Liu, ¡§MBE grown GaAs tri-step doping channel camel-gate FET,¡¨ Asia Pacific Microwave Conference, Korea, pp. 577-580, 1995.

(54)       W. C. Liu, J. H. Tsai, L. W. Laih, K. B. Thei, and C. Z. Wu, ¡§Fabrication and analysis of camel-gate field-effect transistors (CAMFETs) with active doping channel profiles,¡¨ International Laser, Lightwave Conference, Shanghai, China, pp. 42-45, 1995

(55)       D. F. Guo, L. W. Laih, J. H. Tsai, and W. C. Liu, ¡§Applications of InGaAs-GaAs delta-doped quantum wells to bulk-barrier switching devices,¡¨ International Laser, Lightwave Conference, Shanghai, China, pp. 50-53, 1995.

(56)       W. C. Liu, L. W. Laih, J. H. Tsai, C. Z. Wu, K. B. Thei, W. S. Lour, and R. C. Liu, ¡§Negative-differential-resistance (NDR) field-effect transistor with n--GaAs/n+-InGaAs/i-GaAs doped-channel structure,¡¨ International Laser, Lightwave Conference, Shanghai, China, pp. 54-57, 1995.

(57)       W. C. Liu, J. H. Tsai, L. W. Laih, K. B. Thei, C. Z. Wu, W. S. Lour, Y. T. Ting, and R. C. Liu, ¡§GaAs tri-step high-low doping channel field effect transistor,¡¨ IEEE TENCON, Hong-Kong, pp. 107-110, 1995. (EI)

(58)       W. S. Lour, W. C. Liu, J. H. Tsai, L. W. Laih, J. R. Chen, and M. K. Tsai, ¡§Three-terminal switching device with InGaAs/GaAs/InGaAs hole confinement layer,¡¨ IEEE TENCON, Hong Kong, pp. 95-98, 1995. (EI)

(59)       W. C. Liu, L. W. Laih, J. H. Tsai, K. B. Thei, C. Z. Wu, W. S. Lour, Y. T. Ting, and R. C. Liu, ¡§GaAs-InGaAs doped-channel negative-differential-resistance field-effect transistor (NDRFET),¡¨ IEEE TENCON, Hong Kong, pp. 103-106, 1995. (EI)

(60)       W. S. Lour, W. C. Liu, J. H. Tsai, and L. W. Laih, ¡§Linear and enhanced transconductance using high-medium-low doped channel,¡¨ 25th European Solid State Device Research Conference, Netherlands, 1995. (EI)

(61)       W. S. Lour, J. H. Tsai, and W. C. Liu, ¡§A new InGaP/GaAs DHEBT with delta-sheet and application to power transistors,¡¨ IEEE SIMC-9, Toulouse, France, 1996.

(62)       W. S. Lour, J. H. Tsai, W. C. Liu, and H. R. Chen, ¡§High-performance InGaP/GaAs single-heterojunction bipolar transistor by d-doped sheet,¡¨ 1996 China-Japan Joint Meeting on Microstructure (CJMW¡¥96), Hefei, P. R. China, 1996.

(63)       W. C. Liu, J. H. Tsai, K. B. Thei, K. W. Lin, C. C. Cheng, and H. R. Chen, ¡§On the InGaP/GaAs heterostructure-emitter bipolar transistor (HEBT) with multiple S-shaped negative-differential-resistance,¡¨ CJMW¡¦96, China-Japan Joint Meeting on Microwaves, Hefei, China, 1996.

(64)       W. C. Liu, W. S. Lour, J. H. Tsai, L. W. Laih, C. C. Cheng, and K. W. Lin, ¡§A new heterostructure-base bipolar transistor with multiple negative-differential-resistance,¡¨ IEEE SIMC-9, Toulouse, France, April 29/May 3, 1996.

(65)       W. C. Liu, L. W. Laih, J. H. Tsai, C. C. Cheng, and K. W. Lin, ¡§A new multiple negative-differential-resistance (MNDR) device with AlGaAs/step-graded InXGa1-XAs quantum well/GaAs structure,¡¨ IEEE SIMC-9, Toulouse, France, April 29/May 3, 1996.

(66)       W. C. Liu, J. H. Tsai, K. B. Thei, C. C. Cheng, K. W. Lin, and H. R. Chen, ¡§Investigation of InGaP/GaAs multiple-differential-resistance (NDR) device prepared by MOCVD,¡¨ European Gallium Arsenide and Related III-V Compounds Applications Symposium GAAS¡¦96, Paris, France, 1996.

(67)       W. S. Lour, J. H. Tsai, W. C. Liu, and H. R. Chen, ¡§Characteristics of InGaP/GaAs single-heterojunction bipolar transistor with zero potential spike by d-doped sheet,¡¨ European Gallium Arsenide and Related III-IV Compounds Applications Symposium GAAS¡¥96, Paris, France, 1996.

(68)       W. C. Liu, J. H. Tsai, W. S. Lour, K. W. Lin, and C. C. Cheng, ¡§High current drivability d-doping sheet InGaP/GaAs heterostructure bipolar transistor for power system applications,¡¨ Proc. Int. Conf. High Technology in the power Indusity, IASTED¡¦96, Banff, Alberta, Canada, pp. 58-61, 1996.

(69)       W. C. Liu, L. W. Laih, J. H. Tsai, W. S. Lour, and K. W. Lin, and C. C. Cheng, ¡§Metal-insulator-semiconductor (MIS)-like field-effect-transistor for power system application,¡¨ Proc. Int. Conf. High Technology in the power Industry, IASTED¡¦96, Banff, Alberta, Canada, pp. 62-65, 1996.

(70)       W. C. Liu, K. B. Thei, J. H. Tsai, C. C. Cheng, K. W. Lin, W. S. Lour, and H. R. Chen, ¡§Characteristics of functional heterostructure-emitter bipolar transistors (HEBT¡¦s),¡¨ IEEE International Conference on Semiconductor Electronics (ICSE¡¦96), Penang, Malaysia., 1996.

(71)       W. C. Liu, J. H. Tsai, L. W. Laih, S. Y. Cheng, W. C. Wang, P. H. Lin, J. Y. Chen, and H. H. Lin, ¡§On the recombination currents effect of heterostructure-emitter bipolar transistors,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦96, Canberra, Australia, pp. PSM-45, 1996. (EI)

(72)       W. C. Liu, J. H. Tsai, L. W. Laih, H. R. Chen, S. Y. Cheng, W. C. Wang, P. H. Lin, and J. Y. Chen, ¡§A new functional AlGaAs/InGaAs/GaAs heterostructure-emitter bipolar transistors (HEHBT¡¦s),¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦96, Canberra, Australia, pp. PSM-46, 1996. (EI)

(73)       W. C. Liu, L. W. Laih, J. H. Tsai, J. Y. Chen, W. C. Wang, and P. H. Lin, ¡§Investigation of step doped channel heterostructure field-effect transistor,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦96, Canberra, Australia, pp. PSM-47, 1996. (EI)

(74)       W. C. Liu, L. W. Laih, J. H. Tsai, K. W. Lin, and C. C. Cheng, ¡§InGaAs-GaAs pseudomorphic heterostructure transistor prepared by MOVPE,¡¨ (ICMOVPE VIII¡¦96), Cardiff, Wales, UK, 1996.

(75)       W. C. Liu, L. W. Laih, J. Y. Chen, W. C. Wang, and P. H. Lin, ¡§Multiple switching performances of a GaAs-InGaAs metal-insulator-semiconductor (MIS) like structure,¡¨ Proc. State-of-the-Art Program on Compound Semiconductors XXVI symposium, 191st ECS Meeting, Montreal, Canada, pp. 310-315, 1997.

(76)       W. C. Liu, L. W. Laih, S. Y. Cheng, W. C. Wang, P. H. Lin, J. Y. Chen, and W. Lin, ¡§An i-InGaP/n-InXGa1-XAs/i-GaAs step-compositioned doped-channel field-effect transistor (SCDCFET),¡¨ Proc. State-of-the-Art Program on Compound Semiconductors XXVI symposium, 191st ECS Meeting, Montreal, Canada, pp. 305-309, 1997.

(77)       W. C. Liu, J. H. Tsai, S. Y. Cheng, W. C. Wang, P. H. Lin, J. Y. Chen, ¡§Multiple negative-differential-resistance (MNDR) of a graded-AlXGa1-XAs/GaAs heterostructure-emitter bipolar transistor (HEBT) with a pseudomorphic InGaAs/GaAs base structure,¡¨ Proc. State-of-the-Art Program on Compound Semiconductors XXVI symposium, 191st ECS Meeting, Montreal, Canada, pp. 263-268, 1997.

(78)       S. Y. Cheng, P. H. Lin, W. C. Wang, J. Y. Chen, and W. C. Liu, ¡§MOCVD grown AlInAs/InGaAs long-period-superlattice resonant-tunneling transistor (LPSRTT),¡¨ Proc. State-of-the-Art Program on Compound Semiconductors XXVI symposium, 191st ECS Meeting, Montreal, Canada, pp. 190-194, 1997.

(79)       W. C. Liu, H. I. Chen, S. Y. Cheng, J. Y. Chen, W. C. Wang, and P. H. Lin, ¡§An InGaAs/AlInAs long-period-superlattice resonant-tunneling transistor (LPSRTT),¡¨ Proc. the fourth Military Symposium on Fundamental Science, Kaohsiung, Taiwan, pp. 297-303, 1997.

(80)       W. C. Liu, H. I. Chen, L. W. Laih, S. Y. Cheng, W. C. Wang, P. H. Lin, and J. Y. Chen, ¡§An i-InGaP/n-InXGa1-XAs/i-GaAs step-compositioned doped-channel field-effect transistor (SCDCFET),¡¨ Proc. the fourth Military Symposium on Fundamental Science, Kaohsiung, Taiwan, pp. 297-303, 1997.

(81)       W. C. Liu, J. H. Tsai, S. Y. Cheng, P. H. Lin, W. C. Wang, and J. Y. Chen, ¡§A novel functional heterostrucuture-emitter and heterostructure-base transistor (HEHBT),¡¨ ESSDERC¡¦97, Stuttgart, German, 1997.

(82)       S. Y. Cheng, P. H. Lin, W. C. Wang, J. Y. Chen, and W. C. Liu, ¡§AlInAs/InGaAs long-period-superlattice resonant-tunneling (LPSRTT) prepared by MOCVD,¡¨ IPRM'97, Massachusetts, USA, pp. 77-78, 1997. (EI)

(83)       W. C. Liu, H. I. Chen, S. Y. Cheng, J. Y. Chen, W. C. Wang, and P. H. Lin, ¡§An InGaAs/AlInAs long-period-superlattice resonant-tunneling transistor (LPSRTT),¡¨ Proc. the fourth Military Symposium on Fundamental Science, Kaohsiung, Taiwan, pp. 297-303, 1997.

(84)       W. C. Liu, H. I. Chen, L. W. Laih, S. Y. Cheng, W. C. Wang, P. H. Lin, and J. Y. Chen, ¡§An i-InGaP/n-InXGa1-XAs/i-GaAs step-compositioned doped-channel field-effect transistor (SCDCFET),¡¨ Proc. the fourth Military Symposium on Fundamental Science, Kaohsiung, Taiwan, pp. 297-303, 1997.

(85)       W. C. Liu, J. H. Tsai, S. Y. Cheng, J. Y. Chen, P. H. Lin, and W. C. Wang, ¡§Multiple-state switching (MSS) phenomenon of AlGaAs/InGaAs/GaAs heterostructures,¡¨ Proc. Electronic Devices and Material Symposium, Chungli, Taiwan, pp. 471-474, 1997.

(86)       W. C. Liu, L. W. Laih, S. Y. Cheng, J. Y. Chen, P. H. Lin, and W. C. Wang, ¡§A step-doped-channel negative-differential-resistance (NDR) transistor,¡¨ Proc. Electronic Devices and Material Symposium, Chungli, Taiwan, pp. 211-214, 1997.

(87)       W. C. Liu, S. Y. Cheng, W. C. Wang, J. Y. Chen, and P. H. Lin, ¡§A new AlInAs/InGaAs resonant-tunneling superlattice-emitter transistor (RTSET),¡¨ Proc. Electronic Devices and Material Symposium, Chungli, Taiwan, pp. 467-470, 1997.

(88)       W. C. Liu, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§MOCVD grown AlInAs/GaInAs short-period-superlattice resonant-tunneling transistor (SPSRTT),¡¨ IPRM'98, Ibaraki, Japan, 1998. (EI)

(89)       W. C. Liu, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§AlInAs/GaInAs short-period-superlattice resonant tunneling transistor (SPSRTT),¡¨ Proc. in State-of-the-Art Program on Compound Semiconductors XXVII symposium, 193st ECS Meeting, San Diego, U.S.A., pp. 528-533, 1998.

(90)       W. C. Liu, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§£_-doping InGaP/GaAs heterojunction bipolar transistor,¡¨ Proc. in State-of-the-Art Program on Compound Semiconductors XXVII symposium, 193st ECS Meeting, San Diego, U.S.A., pp. 548-554, 1998.

(91)       W. L. Lour, W. S. Lour, S. T. Young, M. Y. Wu, and W. C. Liu, ¡§New n+-GaAs/£_(p+)-GaInP/n-GaAs camel-gate HFET with high breakdown voltage and low leakage current,¡¨ Proc. in State-of-the-Art Program on Compound Semiconductors XXVII symposium, 193st ECS Meeting, San Diego, U.S.A., pp. 455-460, 1998.

(92)       W. C. Liu, H. I. Chen, S. Y. Cheng, W. L. Chang, Y. H. Shie, and H. J. Pan, ¡§A hydrogen sensitive Pd/GaAs Schottky diode sensor,¡¨ ICMST'98, Beijing, China, 1998.

(93)       W. C. Liu, H. I. Chen, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§A InP based hydrogen sensitive metal-semiconductor field-effect transistor (MESFET),¡¨ ICMST'98, Beijing, China, 1998.

(94)       W. C. Liu, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§A new AlInAs/InGaAs resonant-tunneling superlattice-emitter transistor (RTSET),¡¨ Proc. ESSDERC¡¦98, Bordeaux, France, pp. 532-535, 1998.

(95)       W. C. Liu, S. Y. Cheng, W. L. Chang, Y. H. Shie, and H. J. Pan, ¡§A new AlInAs/GaInAs superlattice-confined emitter bipolar transistor (SCEBT),¡¨ Proc. CJMW'98, Beijing, China, pp. 23-26, 1998.

(96)       W. C. Liu, S. Y. Cheng, W. L. Chang, Y. H. Shie, and H. J. Pan, ¡§A low offset-voltage InGaP/GaAs d-doped heterojunction bipolar transistor (d-HBT),¡¨ Proc. CJMW'98, Beijing, China, pp. 27-30, 1998.

(97)       W. C. Liu, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§AlInAs/GaInAs superlatticed negative-differential-resistance switch (SNDRS) prepared by MOCVD,¡¨ ICMMT'98, Beijing, China, 1998.

(98)       W. C. Liu, S. Y. Cheng, W. L. Chang, H. J. Pan, and Y. H. Shie, ¡§A new InGaP/GaAs double delata-doped heterojunction bipolar transistor (D3HBT),¡¨ ICMMT'98, Beijing, China, 1998.

(99)       W. C. Liu, S. Y. Cheng, J. Y. Chen, W. L. Chang, S. C. Feng, K. H. Yu, and C. H. Yen ¡§InGaP/GaAs superlatticed resonant-tunneling transistor (SRTT),¡¨ 8th International Symposium on Passivity of Metals and Semiconductors, Jasper, Canada, 1999.

(100)   W. C. Liu, Y. H. Shie, W. L. Chang, S. C. Feng, K. H. Yu, and C. H. Yen, ¡§InGaP/GaAs resonant-tunneling transistor (RTT),¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦98, Perth, Australia, pp. 63-64, 1998. (EI)

(101)   W. C. Liu, W. C. Wang, S. Y. Cheng, W. L. Chang, J. Y. Chen, and H. J. Pan, ¡§A new InGaP/GaAs double heterojunction bipolar transistor (DHBT) with a d-doped wide-gap collector,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦98, Perth, Australia, pp. 65-66, 1998. (EI)

(102)   W. C. Liu, J. Y. Chen, S. Y. Cheng, W. L. Chang, W. C. Wang, and H. J. Pan, ¡§Design consideration of emitter-base junction structure for InGaP/GaAs heterojunction bipolar transistor,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦98, Perth, Australia, pp. 67-68, 1998. (EI)

(103)   W. C. Liu, S. Y. Cheng, W. L. Chang, W. C. Wang, H. J. Pan, and J. Y. Chen, ¡§On the AlInAs/GaInAs superlatticed negative-differential-resistance transistor (SNDRT),¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦98, Perth, Australia, pp. 69-70, 1998. (EI)

(104)   W. C. Liu, H. J. Pan, W. L. Chang, S. Y. Cheng, W. C. Wang, and J. Y. Chen, ¡§A high-barrier gate and tri-step doped channel transistor,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦98, Perth, Australia, pp. 221-222, 1998. (EI)

(105)   W. C. Liu, W. L. Chang, S. Y. Cheng, W. C. Wang, J. Y. Chen, and H. J. Pan, ¡§High-breakdown and high-linearity Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic HEMT,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic and Devices COMMAD¡¦98, Perth, Australia, pp. 223-224, 1998. (EI)

(106)   W. C. Liu, W. L. Chang, H. J. Pan, J. Y. Chen, W. C. Wang, K. H. Yu, and S. C. Feng, ¡§High-breakdown n+-GaAs/d(p+)-GaInP/n-GaAs heterojunction camel-gate FET grown by LP-MOCVD,¡¨ EUROCVD 12, Barcelona, Spain, pp. 1171-1177, 1999.

(107)   W. C. Liu, S. Y. Cheng, H. J. Pan, J. Y. Chen, W. C. Wang, S. C. Feng, and K. H. Yu, ¡§A new In0.5Ga0.5P/GaAs double heterojunction bipolar transistor (DHBT) prepared by MOCVD,¡¨ EUROCVD 12, Barcelona, Spain, pp. 1155-1161, 1999.

(108)   W. C. Liu, H. J. Pan, S. Y. Cheng, W. C. Wang, J. Y. Chen, S. C. Feng, and K. H. Yu, ¡§MOCVD grown d-doped InGaP/GaAs heterojunction bipolar transistor,¡¨ EUROCVD 12, Barcelona, Spain, pp. 1163-1169, 1999.

(109)   W. C. Liu, S. Y. Cheng, H. J. Pan, J. Y. Chen, W. C. Wang, K. B. Thei, S. C. Feng, and K. H. Yu, ¡§InGaP/GaAs superlatticed resonant-tunneling transistor (SRTT),¡¨ IPRM'99, Davos, Switzerland, pp. WeP12, 1999. (EI)

(110)   W. C. Liu, W. L. Chang, Y. M. Shih, H. J. Pan, W. C. Wang, K. H. Yu, J. Y. Chen, K. B. Thei, K. H. Yu, and S. C. Feng, ¡§A new GaInP/GaAs high-barrier gate and tri-step doped channel transistor,¡¨ IPRM¡¦99, Davos, Switzerland, pp. WeP13, 1999. (EI)

(111)   W. C. Liu, S. Y. Cheng, W. C. Wang, J. Y. Chen, H. J. Pan, S. C. Feng, and K. H. Yu, ¡§A high-breakdown and low-offset voltage InGaP/GaAs heterostructure bipolar transistor for power system applications,¡¨ 34th Intersociety Energy Conversion Engineering Conference (IECEC), Vancouver, Canada, pp. 2493, 1999.

(112)   W. C. Liu, W. L. Chang, J. Y. Chen, H. J. Pan, W. C. Wang, K. H. Yu, and S. C. Feng, ¡§A high-breakdown voltage n+-GaAs/d(p+)-GaInP/n-GaAs heterojunction camel-gate transistor for power system applications,¡¨ 34th Intersociety Energy Conversion Engineering Conference (IECEC), Vancouver, Canada, pp. 2494, 1999.

(113)   W. C. Liu, H. J. Pan, S. Y. Cheng, W. C. Wang, J. Y. Chen, and K. B. Thei, ¡§Performance improvement of single- and double-heterojunction bipolar transistors by well-designed heterostructure,¡¨ Proc. the sixth Military Symposium on Fundamental Science, Kaohsiung, Taiwan, pp. 299-306, 1999.

(114)   W. C. Liu, W. L. Chang, H. J. Pan, W. C. Wang, J. Y. Chen, K. H. Yu, and S. C. Feng, ¡§High-breakdown and high-linearity Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic HEMT¡¦s prepared by selectively removing mesa sidewalls,¡¨ 29th European Solid-State Device Research Conference ESSDERC¡¦99, Leuven, Belgium, pp. 552-555, 1999.

(115)   W. C. Liu, H. J. Pan, S. Y. Cheng, J. Y. Chen, W. C. Wang, and K. B. Thei, ¡§High-performance d-doped InGaP/GaAs heterojunction bipolar transistors,¡¨ 29th European Solid-State Device Research Conference ESSDERC¡¦99, Leuven, Belgium, pp. 556-559, 1999.

(116)   W. L. Chang, W. C. Liu, W. S. Lour, W. C. Wang, J. Y. Chen, H. J. Pan, and K. B. Thei, ¡§A new air-bridge gate Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic transistor,¡¨ ICTMC¡¦12, pp. 2-91, 1999.

(117)   H. J. Pan, J. Y. Chen, W. C. Wang, K. B. Thei, W. L. Chang, S. Y. Cheng, and W. C. Liu, ¡§On the continuous-conduction-band In0.53Ga0.25Al0.22As/InP heterojunction bipolar transistors,¡¨ ICTMC¡¦12, pp. 2-89, 1999.

(118)   S. Y. Cheng, W. C. Liu, W. L. Chang, W. C. Wang, H. J. Pan, J. Y. Chen, and K. B. Thei, ¡§Applications of InGaP "Insulator" for high-breakdown and low-offset voltage heterostructure bipolar transistor,¡¨ ICTMC¡¦12, pp. 2-90, 1999.

(119)   S. Y. Cheng, W. C. Liu, W. L. Chang, W. C. Wang, J. Y. Chen, H. J. Pan, and K. B. Thei, ¡§InGaP/GaAs superlatticed resonant-tunneling transistor (SRTT),¡¨ EDMS¡¦99, pp. 328-330, 1999.

(120)   W. L. Chang, W. C. Liu, W. C. Wang, J. Y. Chen, H. J. Pan, K. B. Thei, and S. Y. Cheng, ¡§Temperature dependent investigation of a Ga0.51In0.49P/In0.15Ga0.85As pseudomorphic HEMT,¡¨ EDMS¡¦99, pp. 473-476, 1999.

(121)   S. Y. Cheng, W. C. Liu, W. L. Chang, W. C. Wang, J. Y. Chen, H. J. Pan, and K. B. Thei, ¡§Near-ideal breakdown characteristic of InGaP/GaAs heterostructure bipolar transistor,¡¨ EDMS¡¦99, pp. 477-479, 1999.

(122)   W. C. Wang, W. C. Liu, H. J. Pan, C. C. Cheng, S. C. Feng, and C. H. Yen, ¡§A new InP/InGaAlAs multiple-negative-differential-resistance (MNDR) switching device,¡¨ Proc. in State-of-the-Art Program on Compound Semiconductors XXVII symposium, 197st ECS Meeting, 2000.

(123)   H. J. Pan, W. C. Liu, K. H. Yu, W. C. Wang, and S. C. Feng, ¡§A high-sensitivity hydrogen sensor based on Pd/InP Schottky diode structure,¡¨ Proc. in State-of-the-Art Program on Compound Semiconductors XXVII symposium, 197st ECS Meeting, 2000.

(124)   K. W. Lin, W. C. Liu, K. H. Yu, C. C. Cheng, and K. B. Thei, ¡§Step-graded doped-channel (SGDC) field-effect transistor,¡¨ Proc. in State-of-the-Art Program on Compound Semiconductors XXVII symposium, 197st ECS Meeting, 2000.

(125)   K. H. Yu, W. C. Liu, W. L. Chang, K. W. Lin, K. P. Lin, and C. H. Yen, ¡§An inverted delta-doped V-shaped InGaP/InGaAs pseudomorphic high electron mobility transistor,¡¨ 12th International Conf. On Indium Phosphide and Related Materials (IPRM), Virginia, U.S.A., MP1, pp. 91-94, 2000. (EI)

(126)   W. C. Liu, H. J. Pan, W. C. Wang, C. C. Cheng, S. C. Feng, C. H. Yen and K. W. Lin, ¡§Temperature-dependent characteristics of a novel InP/InGaAlAs heterojunction bipolar transistor,¡¨ Proc. ESSDERC 2000, Cork, Ireland, pp. 240-243, 2000.

(127)   W. C. Liu, W. C. Wang, H. J. Pan, C. C. Cheng, S. C. Feng, C. H. Yen, ¡§A novel functional negative-differential-resistance heterojunction bipolar transistor (NDR-HBT),¡¨ Proc. ESSDERC 2000, Cork, Ireland, pp. 244-247, 2000.

(128)   W. C. Liu, W. L. Chang, W. S. Lour, K. H. Yu, K. W. Lin, K. P. Lin, and C. H. Yen, ¡§On the InGaP/InXGa1-XAs pseudomorphic high electron-mobility transistors for high-temperature reliabilities,¡¨ Proc. ESSDERC 2000, Cork, Ireland, pp. 428-431, 2000.

(129)   W. C. Liu, L. W. Laih, ¡§GaInP/GaInAs/GaAs modulation-compositioned channel field-effect transistor,¡¨ Knowledge Bridge, pp. 3, no. 6, 2000.

(130)   K. H. Yu, W. C. Liu, K. W. Lin, K. P. Lin, and C. H. Yen, ¡§InGaAs/GaAs composite doped channel heterostructure field-effect transistor,¡¨ ECS, San Francisco, U.S.A., pp. 70-75, 2001.

(131)   W. C. Liu, W. C. Wang, K. H. Yu, K. W. Lin, C. H. Yen, and K. P. Lin, ¡§Characteristics of InP/InGaAs superlattice-emitter resonant tunneling bipolar transistors (SERTBT),¡¨ ECS, San Francisco, U.S.A., pp.141-145, 2001.

(132)   W. C. Wang, C. Y. Chen, W. H. Chiou, C. C. Cheng, X. D. Liao, K. M. Lee, R. C. Liu, and W. C. Liu, ¡§Investigation of InP/InGaAs superlattice-emitter resonant tunneling bipolar transistors (RTBT¡¦s),¡¨ EDMS¡¦01, pp. 139-142, 2001.

(133)   H. J. Pan, W. H. Chiou, C. Y. Chen, C. C. Cheng, K. M. Lee, X. D. Liao, R. C. Liu, and W. C. Liu, ¡§On the InGaP/GaAs resonant-tunneling bipolar transistors,¡¨ EDMS¡¦01, pp.150-153, 2001.

(134)   K. H. Yu, R. C. Liu, K. W. Lin, C. K. Wang, H. M. Chuang, C. T. Lu, S. F. Tsai, and W. C. Liu, ¡§On the n+-GaAs/p+-InGaP/n-GaAs high-barrier gate heterostructure field-effect transistor,¡¨ EDMS¡¦01, pp. 195-198, 2001.

(135)   W. L. Chang, R. C. Liu, K. H. Yu, K. W. Lin, S. F. Tsai, C. T. Lu, and W. C. Liu, ¡§Investigation of an inverted delta-doped V-shaped GaInP/InxGa1-xAs/GaAs PHEMT,¡¨ EDMS¡¦01, pp. 203-206, 2001.

(136)   K. B. Thei, H. M. Chuang, C. K. Wang, W. H. Chiou, C. Y. Chen, W. C. Liu, C. H. Ho, C. W. Su, H. C. Lin, L. D. Chen, Y. H. Chen, and K. H. Lee, ¡§Study of double ion-implant (DII) Ti-salicide and pre-amorphization implant (PAI) Co-salicide for CMOS device application,¡¨ EDMS¡¦01, pp. 725-728, 2001.

(137)   K. B. Thei, H. M. Chuang, C. K. Wang, W. H. Chiou, C. Y. Chen, W. C. Liu, Y. S. Ho, C. H. Ho, C. W. Su, H. C. Lin, L. D. Chen, Y. H. Chen, and K. H. Lee, ¡§Characteristics and modeling of polysilicon resistors in sub-quarter micron CMOS mixed-mode aoolications,¡¨ EDMS¡¦01, pp. 729-732, 2001.

(138)   K. B. Thei, H. M. Chuang, C. K. Wang, W. H. Chiou, C. Y. Chen, W. C. Liu, S. G. Wuu, C. S. Wang, C. H. Ho, C. W. Su, H. C. Lin, L. D. Chen, Y. H. Chen, and K. H. Lee, ¡§A novel of borderless contact (BLC) structure for high-performance ULSI applications,¡¨ EDMS¡¦01, pp. 755- 758, 2001.

(139)   W. C. Liu, H. I. Chen, and S. Y. Cheng, ¡§Pd/semiconductor Schottky diode hydrogen sensor,¡¨ Knowledge Bridge, pp. 3-4, no. 6, 2001.

(140)   W. C. Liu, and S. Y. Cheng, ¡§Wide voltage operation regime double heterojunction bipolar transistor,¡¨ Knowledge Bridge, pp. 1, no. 9, 2001.

(141)   K. H. Yu, H. M. Chuang, K. W. Lin, X. D. Liao, C. T. Lu, and W. C. Liu, ¡§Improved n+-InGaAs/n-GaAs composite-doped-channel structure for high-breakdown, low-leakage, and high-temperature applications,¡¨ ²Ä¤E©¡¤T­x©x®Õ°ò¦¾Ç³N¬ã°Q·|, °ª¶¯, pp. C1.5-11, 2002.

(142)   W. H. Chiou, H. J. Pan, H. M. Chuang, K. W. Lin, S. F. Tsai, K. M. Lee, and W. C. Liu, ¡§A novel InGaP/GaAs superlattice-emitter resonant-tunneling bipolar transistor (SE-RTBT) with multiple-negative-differential-resistance (MNDR) phenomena,¡¨ ²Ä¤E©¡¤T­x©x®Õ°ò¦¾Ç³N¬ã°Q·|, °ª¶¯, pp. CP.1-6, 2002.

(143)   W. H. Chiou, C. Y. Chen, C. K. Wang, H. M. Chuang, X. D. Liao, K. M. Lee, S. F. Tsai, C. T. Lu, and W. C. Liu, ¡§InP/InGaAs double heterojunction bipolar transistor (GHBT) with an emitter tunneling barrier and composite collector structure,¡¨ 14th International Conf. On Indium Phosphide and Related Materials (IPRM2002), Stockholm, Sweden, pp. 277-280, 2002.

(144)   H. M. Chuang, K. W. Lin, W. H. Chiou, K. M. Lee, C. T. Lu, and W. C. Liu, ¡§On the InGaP/GaAs short-period superlattice-emitter transistor (SPSET),¡¨ International Conf. On Superlattices, Nano-structures and Nano-devices (ICSNN2002), Toulouse, France, II-P122, 2002.

(145)   K. W. Lin, H. M. Chuang, W. H. Chiou, X. D. Liao, S. F. Tsai, and W. C. Liu, ¡§InGaP/InGaAs quantum-well channel field-effect transistors,¡¨ International Conf. On Superlattices, Nano-structures and Nano-devices (ICSNN2002), Toulouse, France, II-P123, 2002.

(146)   W. C. Liu, K. H. Yu, H. M. Chuang, K. W. Lin, K. M. Lee, S. F. Tsai Wen-Chau Liu, ¡§On the n+-GaAs/p+-InGaP/n--GaAs high-barrier camel-like gate transistor for high-breakdown, low-leakage and high-temperature operations,¡¨ 32th European Solid-State Device Research Conference ESSDERC¡¦2002, Firenze, Italy, pp. 215-218, 2002.

(147)   H. M. Chuang, K. W. Lin, H. J. Pan, K. M. Lee, X. D. Liao, W. C. Liu, ¡§An InGaP/GaAs resonant-tunnelling bipolar transistor (RTBT) with multiple negative-differential-resistance (MNDR) phenomena,¡¨ 32th European Solid-State Device Research Conference ESSDERC¡¦2002, Firenze, Italy, pp. 219-222, 2002.

(148)   H. M. Chuang, K. H. Yu, K. W. Lin, C. C. Cheng, J. Y. Chen, and W. C. Liu, ¡§InGaP/InGaAs/GaAs double channel pseudomorphic high electron mobility transistor,¡¨ 29th International Symposium on Compound Semiconductors ISCS2002, Lausanne, Switzerland, 2002.

(149)   H. M. Chuang, C. Y. Chen, J. Y. Chen, K. W. Lin, and W. C. Liu, ¡§On the n+-InGaAs/n-GaAs composite doped channel heterostructure field-effect transistor (CDC-HFET),¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic Materials and Devices COMMAD¡¦2002, Sydney, Australia, pp. 114, 2002.

(150)   H. M. Chuang, J. Y. Chen, C. Y. Chen, K. W. Lin, and W. C. Liu, ¡§An InGaP/InGaAs/GaAs double channel pseudomorphic high electron mobility transistor (DC-PHEMT),¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic Materials and Devices COMMAD¡¦2002, Sydney, Australia, pp. 103, 2002.

(151)   J. Y. Chen, C. Y. Chen, H. M. Chuang, K. W. Lin, and W. C. Liu, ¡§On the InP/InGaAs double heterojunction bipolar transistor (DHBT) with emitter tunneling barrier and composite collector structure,¡¨ Abstr. Int. Conf. Optoelectronic and Microelectronic Materials and Devices COMMAD¡¦2002, Sydney, Australia, pp. 113, 2002.

(152)   H. M. Chuang, K. H. Yu, C. Y. Chen, X. D. Liao, K. M. Lee, P. H. Lai, C. I. Kao, and W. C. Liu, ¡§Characteristics of an InGaAs/GaAs composite doped channel heterostructure field-effect transistor,¡¨ EDMS¡¦02, Taipei, pp. 133-136, 2002.

(153)   K. H. Yu, H. M. Chuang, C. Y. Chen, C. T. Lu, S. F. Tsai, Y. Y. Tsai, C. I. Kao, and W. C. Liu, ¡§Quantum well channel n+-GaAs/p+-InGaP/n-GaAs camel-like gate heterostructure field-effect transistor (HFET),¡¨ EDMS¡¦02, Taipei, pp. 137-140, 2002.

(154)   C. Y Chen, W. H. Chiou, H. M. Chuang, K. M. Lee, X. D. Liao, C. T. Lu, S. F. Tsai, S. I. Fu, C. I. Kao, S. Y. Cheng, and W. C. Liu, ¡§InP/InGaAs double heterojunction bipolar transistor (DHBT) with an emitter tunneling barrier and composite collector structure,¡¨ EDMS¡¦02, Taipei, pp. 53-56, 2002.

(155)   W. C. Liu, and W. L. Chang, ¡§A high-breakage voltage, low-leakage current metal-¡§insultor¡¨-semiconductor field-effect transistor,¡¨ Knowledge Bridge, pp. 4, no. 23, 2002.

(156)   W. C. Liu, and S. Y. Cheng, ¡§Superlatticed negative-diffetential-resistance functional transistor,¡¨ Knowledge Bridge, pp. 2-3, no. 24, 2002.

(157)   W. C. Liu, J. H. Tasi, W. L. Chang, K. H. Yu, and K. W. Lin, ¡§High-breakdown voltage heterostructure fields-effect transistor for high temperature operations,¡¨ Knowledge Bridge, pp. 2, no. 25, 2002.

(158)   C. Y. Chen, H. M. Chuang, S. I. Fu, P. H. Lai, Y. Y. Tsai, C. I. Kao and W. C. Liu, ¡§InP/InGaAs tunneling emitter bipolar transistor (TEBT),¡¨ Extended Abstr. Int. Conf. Solid-State Devices and Materials (SSDM2003), Tokyo, Japan, pp. 128-129, 2003.

(159)   H. M. Chuang, C. Y. Chen, P. H. Lai, S. I. Fu, Y. Y. Tsai, C. I. Kao and W. C. Liu, ¡§Study of InGaP/InGaAs double doped channel heterostructure field-effect transistor (DDCHFET),¡¨ Extended Abstr. Int. Conf. Solid-State Devices and Materials (SSDM2003), Tokyo, Japan, pp. 536-537, 2003.

(160)   J. Y. Chen, D. F. Guo, K. M. Lee, H. M. Chuang, C. Y. Chen and W. C. Liu, ¡§A double-barrier-emitter triangular barrier optoelectronic switch,¡¨ Extended Abstr. Int. Conf. Solid-State Devices and Materials (SSDM2003), Tokyo, Japan, pp. 542-543, 2003.

(161)   J. Y. Chen, D. F. Guo, H. M. Chuang, C. Y. Chen, and W. C. Liu, ¡§Characteristics of a triangular-barrier optoelectronic switch,¡¨ EDMS¡¦03, pp. 280-283, 2003.

(162)   J. Y. Chen, D. F. Guo, H. M. Chuang, C.Y. Chen, and W. C. Liu, ¡§Illumination effect on the switching characteristics of double heterostructure-emitter bipolar transistor,¡¨ EDMS¡¦03, pp.277-279, 2003.

(163)   H. M. Chuang, P. H. Lai, C. I. Kao, W. H. Hsu, C. W. Hong, C. W. Chen, and W. C. Liu, ¡§InGaP/InGaAs double-channel transistor by utilizing dual £_-doped quantum wells,¡¨ EDMS¡¦03, pp. 433-435, 2003.

(164)   C. Y. Chen, S. Y. Cheng, S. I. Fu, C. H. Tsai, C. Y. Chang, C. W. Hong, C. W. Chen, and W. C. Liu, ¡§A novel InP/InGaAs tunneling emitter bipolar transistor (TEBT) for ultra-low current operations,¡¨ EDMS¡¦03, pp. 629-634, 2003.

(165)   C. Y. Chen, K. W. Lin, W. H. Chiou, H. M. Chuang, J. Y. Chen, and W. C. Liu, ¡§InP/InGaAs tunneling-emitter bipolar transistor (TEBT) with a step-graded collector structure prepared by MOCVD,¡¨ Proc. in CVD XVI and EUROCVD 14, 203rd ECS Meeting, Paris, France, pp. 982-989, 2003.

(166)   H. M. Chuang, K. W. Lin, K. H. Yu, C. Y. Chen, J. Y. Chen, and W. C. Liu, ¡§An n+-InGaAs/n-GaAs dual-doped-channel heterostructure field-effect transistor (DDC-HFET) grown by LP-MOCVD,¡¨ Proc. in CVD XVI and EUROCVD 14, 203rd ECS Meeting, Paris, France, pp. 1395-1402, 2003.

(167)   C. C. Cheng, S. Y. Cheng, H. M. Chuang, C. Y. Chen, P. H. Lai, C. I Kao, C. W. Hong, C. W. Chen, and W. C. Liu, ¡§InGaP/InGaAs quantum-well delta-doped-channel field-effect transistor,¡¨ Proc. in SPIE's Int. Symp. Microelectronics, MEMS, and Nanotechnology, Perth, Australia, vol.5274, pp. 407-415, 2003. (EI)

(168)   C. Y. Chen, S. Y. Cheng, H. M. Chuang, J. Y. Chen, S. I. Fu, C. H. Tsai, C. W. Hong, C. W. Chen, and W. C. Liu, ¡§DC characterization of an InP/InGaAs tunneling emitter bipolar transistor (TEBT),¡¨ Proc. in SPIE's Int. Symp. Microelectronics, MEMS, and Nanotechnology, Perth, Australia, vol. 5274, pp. 425-432, 2003. (EI)

(169)   H. M. Chuang, C. M. Uang, S. Y. Cheng, C. Y. Chen, P. H. Lai, C. I Kao, Y. Y. Tsai, W. H. Hsu, and W. C. Liu, ¡§InGaP/InGaAs dual-channel transistor,¡¨ Extended Abstr. The 4th Int. Workshop on Junction Technology (IWJT), Shsnghsi, China, pp. 186-189, 2004.

(170)   C. M. Uang, H. M. Chuang, S. F. Tsai, K. B. Thei, P. H. Lai, S. I. Fu, Y. Y. Tsai, and W. C. Liu, ¡§Temperature-dependent characteristics of diffused and polysilicon resistors for ULSI applications, Extended Abstr, The 4th Int. Workshop on Junction Technology (IWJT), Shsnghsi, China, pp. 293-296, 2004.

(171)   C. Y. Chen, C. M. Uang, S. Y. Cheng, H. M. Chuang, S. I. Fu, C. H. Tsai, C. Y. Chang, and W. C. Liu, ¡§Characteristics of an InP/InGaAs tunneling emitter bipolar transistor (TEBT)¡¨, Extended Abstr, The 4th Int. Workshop on Junction Technology (IWJT), Shsnghsi, China, pp. 220-223, 2004.

(172)   C. Y. Chen, S. I. Fu, C. H. Tsai, C. Y. Chang, and W. C. Liu, ¡§Characteristics of InGaP/GaAs heterojunction bipolar transistors (HBTs) with sulfur passivation¡¨, Extended Abstr, The 5th Int. Vacuum Electron Sources Conference (IVESC2004), Beijing, China, pp. 242-244, 2004.

(173)   J. Y. Chen, D. F. Guo, C. Y. Chen, P. H. Lai, Y. Y. Tsai, and W. C. Liu, ¡§Characteristics of a double-barrier-emitter triangular-barrier ptoelectronic switch (DTOS)¡¨, Extended Abstr, The 5th Int. Vacuum Electron Sources Conference (IVESC2004), Beijing, China, pp. 245-247, 2004.

(174)   S. Y. Cheng, C. Y. Chen, J. Y. Chen, H. M. Chuang, W. C. Liu, and W. L. Chang, ¡§Numerical and experimental analysis of an InP/InGaAs tunneling emitter bipolar transistor (TEBT) for low-voltage and low-power circuit applications¡¨, Extended Abstr, The 5th Int. Vacuum Electron Sources Conference (IVESC2004), Beijing, China, pp. 287-288, 2004.

(175)   J. Y. Chen, C. Y. Chen, S. I. Fu, C. Y. Chang, C. H. Tsai, and W. C. Liu, ¡§Characteristics of an InGaAs/InGaAsP composite-collector heterojunction bipolar transistor (CCHBT)¡¨, Extended Abstracts of the 2004 International Conference on Solid State Devices and Materials (SSDM2004), Tokyo, Japan, pp. 102-103, 2004.

(176)   Y. Y. Tsai, C. C. Cheng, K. W. Lin, W. H. Hsu, C. W. Hong, and W. C. Liu, ¡§Characteristics of a Pd-Oxide-AlGaAs MOS Schottky diode hydrogen sensor,¡¨ IEDMS¡¦2004, Hsinchu, pp. 431-433, 2004.

(177)   S. Y. Cheng, C. Y. Chen, S. Y. Fu, P. H. Lai, J. Y. Chen, and W. C. Liu, ¡§Influence of AlXGa1-XAs graded layer on the performance of InGaP/AlXGa1-XAs/GaAs composite-emitter heterojunction bipolar transistors (CEHBTs),¡¨ IEDMS¡¦2004, Hsinchu, pp. 213-216, 2004.

(178)   P. H. Lai, C. H. Yen, C. I. Kao, H. M. Chuang, S. F. Tsai, C. Y. Chen, and W. C. Liu, ¡§A new camel-gate field effect transistor with a composite channel structure,¡¨ Extended Abstr. Int. Conf. Solid-State Devices and Materials (SSDM2004), Tokyo, Japan, 2004.

(179)   W. C. Liu and S. Y. Cheng, ¡§InGaP/AlGaAs/GaAs heterojunction bipolar transistor (HBT) with zero conduction-band discontinuity,¡¨ Knowledge Bridge, pp. 3-4, no. 45, 2004.

(180)   C. Y. Chen, S. I. Fu, P. H, Lai, Y. Y Tsai, C. H. Yen, and W. C. Liu, ¡§Characteristics of an InP/InGaAs tunneling-emitter bipolar transistor (TEBT) with double heterostructures,¡¨ ²Ä¤Q¤G©¡¤T­x©x®Õ°ò¦¾Ç³N¬ã°Q·|, °ª¶¯, pp. C-1-C-6, 2005.

(181)   S. Y. Cheng, C. Y. Chen, S. I. Fu, P. H, Lai, Y. Y Tsai, and W. C. Liu, ¡§An InGaP/AlXGa1-XAs/GaAs composite-emitter heterojunction bipolar transistor (CEHBT),¡¨ ²Ä¤Q¤G©¡¤T­x©x®Õ°ò¦¾Ç³N¬ã°Q·|, °ª¶¯, pp. C-14-C-17, 2005.

(182)   C. Y. Chen, S. I. Fu, Y. Y Tsai, P. H, Lai, S. Y. Cheng, and W. C. Liu, ¡§Characteristics of heterojunction bipolar transistor (HBT) with sulfur passivation,¡¨ ²Ä¤Q¤G©¡¤T­x©x®Õ°ò¦¾Ç³N¬ã°Q·|, °ª¶¯, pp. C-23-C-27, 2005.

(183)   P. H. Lai, S. I. Fu, Y. Y. Tsai, C. H. Yen, C. I Kao, C. W. Chen, and W. C. Liu, ¡§Temperature-dependent characteristics of an sulfur-passivated AlGaAs/InGaAs/GaAs pseudomorphic high electron mobility transistor (PHEMT)¡¨, Extended Abstracts of the 2005 International Conference on Solid State Devices and Materials (SSDM2005), Kobe, Japan, pp. 704-705, 2005.

(184)   Y. Y. Tsai, C. C. Cheng, P. H. Lai, S. I. Fu, C. W. Hong, and W. C. Liu, ¡§A compound semiconductor transistor-type hydrogen sensor with a Pd-oxide-In0.49Ga0.51P (MOS) gate structure,¡¨ EDMS¡¦2005, Kaohsiung, pp. 50, 2005.

(185)   P. H. Lai, S. I. Fu, Y. Y. Tsai, C. W. Hong, C. H. Yen, and W. C. Liu, ¡§Characteristics of an sulfur-passivated AlGaAs/InGaAs/GaAs pseudomorphic high electron mobility transistor (PHEMT),¡¨ EDMS¡¦2005, Kaohsiung, pp. 50, 2005.

(186)   W. C. Liu, S. I. Fu, S. Y. Cheng, P. H. Lai, Y. Y. Tsai, and J. Y. Chen, ¡§An InGaAs/InGaAsP composite-collector heterojunction bipolar transistor (CCHBT),¡¨ EDMS¡¦2005, Kaohsiung, pp. 57, 2005.

(187)   D. F. Guo, P. H. Lai, S. I. Fu, Y. Y. Tsai, C. W. Hong, and W. C. Liu, ¡§An InAlGaP bulk-barrier optoelectronic switch,¡¨ EDMS¡¦2005, Kaohsiung, pp. 65, 2005.

(188)   S. Y. Cheng, S. I. Fu, Y. Y. Tsai, P. H. Lai, W. C. Liu, K. Y. Chu, and L. Y. Chen, ¡§An InGaP/AlXGa1-XAs/GaAs heterojunction bipolar transistor (HBT) with different doping concentrations of AlxGa1-xAs graded layers,¡¨ EDMS¡¦2005, Kaohsiung, pp. 75, 2005.

(189)   S. I. Fu, P. H. Lai, Y. Y. Tsai, C. W. Hong, C. H. Yen, and W. C. Liu, ¡§Characteristics of InGaP/GaAs heterojunction bipolar transistors (HBTs) with sulfur treatment,¡¨ EDMS¡¦2005, Kaohsiung, pp. 76, 2005.

(190)   D. F. Guo, P. H. Lai, S. I. Fu, Y. Y. Tsai, C. W. Hong, and W. C. Liu, ¡§Electric and optical performances of a triangular-barrier resonant-tunneling diode,¡¨ EDMS¡¦2005, Kaohsiung, pp. 82, 2005.

(191)   C. W. Hung, K. W. Lin, Y. Y. Tsai, P. H. Lai, S. I. Fu, and W. C. Liu, ¡§Hydrogen detection by a GaAs-based transistor with a palladium (Pd) thin film gate structure,¡¨ International conference on processing & manufacturing of advanced materials (THERMEC¡¦2006), Vancouver, Canada, pp. 480, 2006.

(192)   P. H. Lai, J. H. Tsai, S. I. Fu, Y. Y. Tsai, C. W. Hung, and W. C. Liu, ¡§Characteristics of a heterostructure field-effect transistor (HFET) with sulfur passivation on gate surface,¡¨ International conference on processing & manufacturing of advanced materials (THERMEC¡¦2006), Vancouver, Canada, pp. 481, 2006.

(193)   C. W. Hung, H. L. Lin, H. I. Chen, Y. Y. Tsai, P. H. Lai, S. I. Fu, and W. C. Liu, ¡§Characteristics of a new resistive-type hydrogen sensor,¡¨ Extended Abstracts of the 2006 International Conference on Solid State Devices and Materials (SSDM2006), Yokohama, pp. 328-329, 2006.

(194)   C. W. Hung, H. C. Chang, Y. Y. Tsai, K. H. Yu, and W. C. Liu, ¡§InAlAs-based Schottky diode-type hydrogen sensor,¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 48-49, 2006.

(195)   P. H. Lai, Y. W Huang, S. I. Fu, T. P. Chen, H. M. Chuang, and W. C. Liu, ¡§Improved performance of a sulfur-passivated pseudomorphic high electron mobility transistor (PHEMT),¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 74-75, 2006.

(196)   C. H. Yeng, D. F. Guo, P. H. Lai, S. I. Fu, C. W. Hung, and W. C. Liu, ¡§Characteristics investigation of npn heterostructural optoelectronic switches,¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 76-77, 2006.

(197)   S. I. Fu, T. P. Chen, G. W. Ku, P. H. Lai, K. H. Yu, and W. C. Liu, ¡§Improved characteristics of InGaP/GaAs a heterojunction bipolar transistor (HBT) with composite passivation,¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 92-93, 2006.

(198)   Y. Y. Tsai, C. W. Hung, H. C. Chang, K. H. Yu, and W. C. Liu, ¡§A Pd-Al0.24Ga0.76As/GaAs transistor-type hydrogen sensor,¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 96-97, 2006.

(199)   T. P. Chen, S. I. Fu, S. Y. Cheng, K. Y. Chu, L. Y. Chen, L. A. Chen, and W. C. Liu, ¡§An InGaP/AlXGa1-XAs/GaAs heterojunction bipolar transistor (HBT) with different thickness of AlXGa1-XAs graded layers,¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 98-99, 2006.

(200)   T. P. Chen, S. I. Fu, G. W. Ku, P. H. Lai, H. M. Chuang, and W. C. Liu, ¡§Temperature-dependent characteristics of an emitter-ledge passivated InGaP/GaAs heterojunction bipolar transistor (HBT),¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 113-114, 2006.

(201)   J. H. Tsai, T. Y. Weng, Y. C. Kang, C. H. Wu, I. H. Hsu, and W. C. Liu, ¡§An InP/InGaAs pnp heterostructure-emitter bipolar transistor with high current gain and low offset voltage,¡¨ IEDMS¡¦2006 (Symposium A), Tainan, pp. 119-120, 2006.

(202)   H. I. Chen, Y. I. Chou, C. T. Lin, C. W. Hong, H. L. Lin, and W. C. Liu, ¡§A new Pd/InGaP transistor hydrogen sensor fabricated by electroless plating,¡¨ IEEE Sensors 2006, Daegu Exhibition & Convention Center (EXCO), Daedu, Korea, pp. 65, 2006.

(203)   H. I. Chen, Y. I. Chou, S. W. Pan, Y. J. Chen, and W. C. Liu, ¡§High-sensitivity Pd/GaN Schottky diode hydrogen sensor fabricated by electroless plating,¡¨ IEEE Sensors 2006, Daegu Exhibition & Convention Center (EXCO), Daedu, Korea, pp. 188, 2006.

(204)   H. I. Chen, Y. I. Chou, C. M. Chen, C. P. Chang, and W. C. Liu, ¡§Characterizations of a novel electrophoretic deposited nano-Pd/InP Schottky diode,¡¨ IEEE Sensors 2006, Daegu Exhibition & Convention Center (EXCO), Daedu, Korea, pp. 333, 2006.

(205)   D. F. Guo, J. H. Tsai, T. Y. Weng, C. H. Yeng, P. H. Lai, S. Y. Fu, C. W. Hung, and W. C. Liu, ¡§Investigation on heterostructural optoelectronic switches,¡¨ 2nd International Symposium on Function Materials, Hangzhou, China, pp. 101, 2007.

(206)   S. I. Fu, T. P. Chen, S. Y. Cheng, J. H. Tsai, and W. C. Liu, ¡§Improved performance of a composite passivated heterojunction bipolar transistor (HBT),¡¨ 2nd International Symposium on Function Materials, Hangzhou, China, pp. 156, 2007.

(207)   P. H. Lai, Y. W. Huang, S. Y. Cheng, J. H. Tsai, and W. C. Liu, ¡§Sulphur passivation on an InGaP/InGaAs/GaAs pseudomorphic high electron mobility transistor (PHEMT),¡¨ 2nd International Symposium on Function Materials, Hangzhou, China, pp. 157, 2007.

(208)   C. W. Hung, H. C. Chang, Y. Y. Tsai, K. W. Lin, H. I. Chen, and W. C. Liu, ¡§A hydrogen sensor based on an InAlAs material with a Pt catalytic thin film,¡¨ 2nd International Symposium on Function Materials, Hangzhou, China, pp. 158, 2007.

(209)   C. W. Hung, T. H. Tsai, H. I. Chen, T. P. Chen, and W. C. Liu, ¡§Hydrogen sensing properties of a Pd/oxide/AlGaAs (MOS) field-effect resistive device,¡¨ ²Ä¤Q¤T©¡¤Æ¾Ç·P´ú¾¹¬ì§Þ¬ã°Q·|, pp. 63-68, 2007.

(210)   C. Y. Wu, C. T. Lin, Y. I. Chou, C. C. Tung, W. C. Liu, and H. I. Chen, ¡§A high-sensitive Pd/InGaP transistor hydrogen sensor,¡¨ Proceedings of the 37th European Solid-State Device Research Conference (ESSDERC 2007), Munich, pp. 442-445, 2007.

(211)   C. W. Hung, H. I. Chen, T. P. Chen, T. H. Tsai, and W. C. Liu, ¡§Hydrogen-sensing behaviors of an InAlAs-Based Schottky diode with a Pt catalytic thin film,¡¨ Extended Abstracts of the 2007 International Conference on Solid State Devices and Materials (SSDM2007), Tsukuba, pp. 524-525, 2007.

(212)   W. C. Liu, ¡§Compound semiconductor based hydrogen sensors,¡¨ 2007ºñ¦â¯à·½¬ã°Q·|,2007.

(213)   C. F. Chang, C. H. Hsu, P. S. Chiu, T. H. Tsai, C. W. Hung, H. I. Chen, and W. C. Liu, ¡§Hydrogen sensing performance of a Pd/GaN Schotty diode-type sensor,¡¨ 2007ºñ¦â¯à·½¬ã°Q·|, A01, 2007.

(214)   D. Y. Lu, H. S. Chang, L. Y. Chen, S. Y. Cheng, and W. C. Liu, ¡§On the temperature-dependent characteristics of an In0.46Ga0.54As/In0.42Al0.58As of metamorphic high electron mobility transistor,¡¨ 2007ºñ¦â¯à·½¬ã°Q·|, B01, 2007.

(215)   W. H. Chen, C. J. Lee, K. Y. Chu, S. Y. Cheng, and W. C. Liu, ¡§Characteristics of an InGaP/GaAs heterojunction bipolar transistor (HBTs) with sulfur treatment,¡¨ 2007ºñ¦â¯à·½¬ã°Q·|, B03, 2007.

(216)   W. H. Chen, D. Y. Lu, C. H. Hsu, Y. C. Liu, C. J. Lee, T. P. Chen, and W. C. Liu, ¡§Surface treatment effect on InGaP/GaAs heterojunction bipolar transistor (HBTs),¡¨ 2007ºñ¦â¯à·½¬ã°Q·|, B04, 2007.

(217)   L. Y. Chen, S. Y. Cheng, K. Y. Chu, C. W. Hung, T. P. Chen, T. H. Tsai and W. C. Liu, ¡§Temperature-dependent characteristics of metamorphic high electron mobility transistors with different Schotty gate metals,¡¨ IEDMS¡¦2007 (Symposium B), Hsinchu, B2-2, 2007.

(218)   T. P. Chen, C. W. Hung, K. Y. Chu, L. Y. Chen, T. H. Tsai and W. C. Liu, ¡§An InP/InGaAs double heterojunction bipolar transistor with a step-graded InAlGaAs collector structure,¡¨ IEDMS¡¦2007 (Symposium B), Hsinchu, B2-3, 2007.

(219)   K. Y. Chu, S. Y. Cheng, L. Y. Chen, C. W. Hung, T. P. Chen, T. H. Tsai and W. C. Liu, ¡§A study of emitter ledge length effects of InGaP/GaAs heterojunction bipolar transistor (HBTs),¡¨ IEDMS¡¦2007 (Symposium B), Hsinchu, B2-4, 2007.

(220)   C. W. Hung, T. H. Tsai, H. I. Chen, L. Y. Chen, K. Y. Chu, and W. C. Liu, ¡§Electrical and dynamic analyses of a Pd-GaAs transistor-type hydrogen sensor,¡¨ IEDMS¡¦2007 (Symposium B), Hsinchu, B3-1, 2007.

(221)   Y. Y. Tsai, K. W. Lin, C. W. Hung, T. H. Tsai and W. C. Liu, ¡§A Pd-gate metal-semiconductor high electron mobility transistor-type hydrogen sensor,¡¨ IEDMS¡¦2007 (Symposium B), Hsinchu, B3-2, 2007.

(222)   C. W. Hung, H. I. Chen, T. H. Tsai, L. Y. Chen, K. Y. Chu, and W. C. Liu, ¡§A GaAs-based heterostructure field-effect transistor-type hydrogen sensor in air and N2 ambiances,¡¨ 2007 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Tainan, pp. 283-286 (OG01), 2007.

(223)   Y. Y. Tsai, K. W. Lin, C. W. Hung, T. H. Tsai, and W. C. Liu, ¡§A hydrogen gas Pt-In0.5Al0.5P metal-semiconductor Schottky diode,¡¨ 2007 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Tainan, pp. 287-290 (OG02), 2007.

(224)   T. P. Chen, K. Y. Chu, L. Y. Chen, T. H. Tsai, C. W. Hung, and W. C. Liu, ¡§Temperature effect of a heterojunction bipolar transistor (HBT) with an emitter-edge-thinning structure,¡¨ 2007 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Tainan, pp. 717-720 (PE01), 2007.

(225)   L. Y. Chen, K. Y. Chu, T. P. Chen, C. W. Hung, T. H. Tsai, L. A. Chen, S. Y. Cheng, and W. C. Liu, ¡§Thermal stability performance of metamorphic high electron mobililty transistors (MHEMTs),¡¨ 2007 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Tainan, pp. 721-724 (PE02), 2007.

(226)   K. Y. Chu, L. Y. Chen, T. P. Chen, C. W. Hung, T. H. Tsai, L. A. Chen, S. Y. Cheng, and W. C. Liu, ¡§Reduction of surface recombination current by optimized ledge technology,¡¨ 2007 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Tainan, pp. 725-728 (PE03), 2007.

(227)   T. H. Tsai, H. I. Chen, K. W. Lin, C. W. Hung, T. P. Chen, L. Y. Chen, K. Y. Chu, and W. C. Liu, ¡§A Pt/GaN Schottky diode-type hydrogen sensor with a thin SiO2-passivated metal/semiconductor junction,¡¨ 2008 International Workshop on Junction Technology (IWJT2008), Shanghai, pp. 164-167, 2008.

(228)   T. P. Chen, W. H. Chen, K. Y. Chu, L. Y. Chen, C. J. Lee, S. Y. Cheng, J. H. Tsai, and W. C. Liu, ¡§Investigation of InP/InGaAs double heterojunction bipolar transistor (DHBT) with a step-graded InAlGaAs/InP collector structure,¡¨ 2008 International Workshop on Junction Technology (IWJT2008), Shanghai, pp. 168-171, 2008.

(229)   K. Y. Chu, S. Y. Cheng, T. P. Chen, L. Y. Chen, T. H. Tsai, J. H. Tsai, and W. C. Liu, ¡§Influence of emitter ledge width on the characteristics of InP/GaAs heterojunction bipolar transistors,¡¨ 2008 International Workshop on Junction Technology (IWJT2008), Shanghai, pp. 176-178, 2008.

(230)   C. W. Hung, H. I. Chen, K. W. Lin, T. H. Tsai, T. P. Chen, L. Y. Chen, K. Y. Chu, and W. C. Liu, ¡§A Pd/oxide/AlGaAs (MOS) junction resistor-type hydrogen sensor,¡¨ 2008 International Workshop on Junction Technology (IWJT2008), Shanghai, pp. 179-182, 2008.

(231)   L. Y. Chen, S. Y. Cheng, K. Y. Chu, J. H. Tsai, T. P. Chen, T. H. Tsai, and W. C. Liu, ¡§Improved formal passivations of Pseudomorphic high electron mobility transistors,¡¨ 2008 International Workshop on Junction Technology (IWJT2008), Shanghai, pp. 183-186, 2008.

(232)   Tsung-Han Tsai, Chung-Fu Chang, Chi-Jhung Lee, Po-Shun Chiu, Po-Cheng Chou, and Wen-Chau Liu, ¡§Hydrogen sensing characteristics of a Pd-AlGaN-based Schotky diode-type hydrogen sensor,¡¨ IEDMS¡¦2008 (Session B), Taichung, B319, 2008.

(233)   Tzu-Pin Chen, Chi-Jhung Lee, Po-Shun Chiu, Chung-Fu Chang, Po-Cheng Chou, and Wen-Chau Liu, ¡§Enhancement breakdown performance of an InP/InGaAs double heterojunction bipolar transistor (DHBT) using a composite collector structure,¡¨ IEDMS¡¦2008 (Session B), Taichung, B326, 2008.

(234)   Li-Yang Chen, Shiou-Ying Cheng, Chi-Jhung Lee, Chung-Fu Chang,  Po-Shun Chiu, Po-Cheng Chou, and Wen-Chau Liu, ¡§A non-anealed Ohmic-recess metamorphic high electorn mobility transistor,¡¨ IEDMS¡¦2008 (Session B), Taichung, B370, 2008.

(235)   Yi-Jung Liu, Tsung-Yuan Tsai, Shiuo-Ying Cheng, Jung-Hui Tsai, Kun-wei Lin, Wen-Chau Liu, ¡§On a light emitting diode with KOH-treated textured sidewalls and air-buffer structures,¡¨ NANO¡¦2009 (Oral Session ), Harbin ,2009

(236)   Tsung-Han Tsai, Chung-Fu Chang, Po-Shun Chiu, Huey-Ing Chen, Kun-Wei Lin, Shiou-Ying Cheng, Jung-Hui Tsai, Kun-Wei Lin, Wen-Chau Liu, ¡§SiO2-passivation based hydrogen gas detector,¡¨ NANO¡¦2009 (Poster Session ), Harbin ,2009.

(237)   Tzu-Pin Chen, Chi-Jhung Lee, Shiuo-Ying Cheng, Jung-Hui Tsai, Kun-wei Lin, Wen-Chau Liu, ¡§On a InP/InGaAs heterostructure transistor with an InAlGaAs/InP step-graded heterostructure collector,¡¨NANO¡¦2009 (Poster Session ), Harbin ,2009

(238)   Li-Yang Chen, Chien-Chang Huang, Shiou-Ying Cheng, Jung-Hui Tsai, Kun-wei Lin, and Wen-Chau Liu, ¡§High performance heterostructure transistor with graded £_-doped,¡¨ NANO¡¦2009 (Poster Session ), Harbin, 2009.

(239)   Jung-Hui Tsai, Der-Feng Guo, Ning-Xing Su, Yin-Shan Huang, and Wen-Chau Liu, ¡§High device linearity of pseudomorphic doped-channel field-effect transistor using InGaP/GaAs/InGaAs camel-like gate heteristructure,¡¨ NANO¡¦2009 (Poster Session ), Harbin, 2009.

(240)   Ping-Jia Lin, Yen-I Chou, Wen-Chau Liu, Chieng-Chi Tung, and Huey-Ing Chen, ¡§Ethanol Vapor Sensors Based on Carboxyl- alkanethiolate Self-Assembled Monolayers Modified Au/GaAs Schottky Diodes,¡¨ 2009 Institute of Electrical and Electronic Engineers Conference on Sensors (IEEE Sensors), New Zealand, 2009.

(241)   Tsung-Han Tsai, Tai-You Chen, Chi-Hsiang Hsu, Chien-Chang Huang, Jian-Sheng Wu, Cheng-Wei Lin, Kai-Siang Hsu, Huey-Ing Chen, and Wen-Chau Liu, ¡§A Hydrogen Sensor Based on a Metamorphic High Electron Mobility Transistor (MHEMT),¡¨ IEDMS¡¦2009 (Symposium E), Taoyuag, 2009.

(242)   Li-Yang Chen, Chien-Chang Huang, Tai-You Chen, Chi-Hsiang Hsu, You-Chi Chen, Yung-Jen Chiou, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Thermal-Stability Performance of a Pseudomorphic High Electron Mobility Transistor with a Low-Temperature Deposition Approach,¡¨ IEDMS¡¦2009 (Symposium B), Taoyuag, 2009.

(243)   Yi-Jung Liu, Tsung-Yuan Tsai, Jung-Hui Tsai, Wen-Shiung Lour, Chi-Hsiang Hsu, Tai-You Chen, Chien-Chang Huang, and Wen-Chau Liu, ¡§Low-Damage GaN-Based Light-Emitting Diodes with KOH Treatment,¡¨ IEDMS¡¦2009 (Symposium D), Taoyuag, 2009.

(244)   Tai-You Chen, Tsung-Han Tsai, Chih-Chieh Chien1, Huey-Ing Chen, Kun-Wei Lin, Shiou-Ying Cheng, Wen-Chau Liu, ¡§NH3 sensing properties of vertically-aligned ZnO nanorods with uniformlydeposited Pt nanoparticles,¡¨ E-MRS 2010 Spring Meeting (Symposium P), Strasburg, 2010.

(245)   Yi-Jung Liu, Huey-Ing Chen, Shiou-Ying Cheng, Kun-Wei Lin, andÿWen-Chau Liu, ¡§Investigation of GaN-Based Light-Emitting Diodes Grown on Vicinal Sapphire Substrates,¡¨ E-MRS 2010 Spring Meeting (Symposium G), Strasburg, 2010.

(246)   Chien-Chang Huang, Li-Yang Chen, Shiou-Ying Cheng, Kun-Wei Lin, Huey-Ing Chen, Wen-Chau Liu, ¡§On an AlGaN/GaN High Electron Mobility Transistor (HEMT) with an Electroless-Plated (EP) Surface Treated Gate Structure,¡¨ E-MRS 2010 Spring Meeting (Symposium K), Strasburg, 2010.

(247)   Chien-Chang Huang, Huey-Ing Chen, Shiou-Ying Cheng, Kun-Wei Lin, Yi-Jung Liu, Tai-You Chen, Chi-Shiang Hsu, and Wen-Chau Liu, ¡§Characteristics of a Pseudomorphic High Electron Mobility Transistor (PHEMT) with a Low-Temperature Gate Deposition Approach,¡¨ IUMRS-ICA 2010 (Poster Session), Tsingtao, 2010.

(248)   Tai-You Chen, Huey-Ing Chen, Kun-Wei Lin, Shiou-Ying Cheng, Chien-Chang Huang, Chi-Shiang Hsu, Yi-Jung Liu, and Wen-Chau Liu, ¡§A Metamorphic High Electron Mobility Transistor (MHEMT)-Type Hydrogen Gas Sensor,¡¨ IUMRS-ICA 2010 (Poster Session), Tsingtao, 2010.

(249)   Yi-Jung Liu, Chien-Chang Huang, Tai-You Chen, Chi-Hsiang Hsu, Shiou-Ying Cheng, Kun-Wei Lin, and Wen-Chau Liu, ¡§Improved Performance of GaN-Based Light-Emitting Diodes by Using Short-Period Superlattice Structures,¡¨ IUMRS-ICA 2010, Tsingtao, 2010.

(250)   Chien-Chang Huang, Tai-You Chen, Chi-Shiang Hsu, Yi-Jung Liu, Yung-Jen Chiou, Chun-Chia Chen, and Wen-Chau Liu, ¡§Characteristics of a Pseudomorphic High Electron Mobility Transistor with an Electroless Plating Approach,¡¨ IEDMS¡¦2010 (Poster Session), Zhongli, 2010.

(251)   Tai-You Chen, Yi-Jung Liu, Chien-Chang Huang, Chi-Shiang Hsu, Kei-Siang Hsu, Cheng-Wei Lin, Po-Cheng Chou, and Wen-Chau Liu, ¡§Hydrogen Sensing Performance of a Pd/AlGaN-Based Schottky Diode with SiO2 Passivaion,¡¨ IEDMS¡¦2010 (Poster Session), Zhongli, 2010.

(252)   Chi-Shiang Hsu, Yi-Jung Liu, Tai-You Chen, Chien-Chang Huang, Kei-Siang Hsu, Cheng-Wei Lin, Po-Cheng Chou, and Wen-Chau Liu, ¡§A Pd/Oxide/AlGaAs HEMT-Based Hydrogen Sensor Detecing System,¡¨ IEDMS¡¦2010 (Poster Session), Zhongli, 2010.

(253)   Tai-You Chen, Jian-Sheng Wu, Chi-Shiang Hsu, Po-Cheng Chou,Huey-Ing Chen, Kun-Wei Lin, and Wen-Chau Liu, ¡§ZnO nanorods based ammonia gas sensors with interdigitized electrodes,¡¨ ICFNST 2011 (Oral Session), Dali, 2011.

(254)   Chien-Chang Huang, Chun-Chia Chen, Jian-KaI Liou, Po-Cheng Chou, Huey-Ing Chen, Shiou-Ying Cheng, and Wen-Chau Liu, ¡§Performance of a GaAs-Based Pseudomorphic High Electron Mobility Transistor (PHEMT) with an Electroless-Plated Treated Gate,¡¨ ICFNST 2011 (Oral Session), Dali, 2011.

(255)   Jian-Kai Liou, Yi-Jing Liu, Shiou-Ying Cheng, Po-Cheng Chou, Chiun-Chia Chen, and Wen-Chau Liu, ¡§Performance on GaN-Based Light-Emitting Diodes with Different Substrate Tilt Angles,¡¨ ICFNST 2011 (Oral Session), Dali, 2011.

(256)   Tai-You Chen, Chung-Fu Chang, Po-Cheng Chou, Chun-Chia Chen, Jian-Kai Liou, and Wen-Chau Liu, ¡§Ammonia Sensing Performance of a Pt/AlGaN/GaN-Based Schottky Diode, ¡¨ IEDMS¡¦2011 (Poster Session), Taipei, 2011.

(257)   Chien-Chang Huang, Chun-Chia Chen, Po-Cheng Chou, Jian-Kai Liou, and Wen-Chau Liu, ¡§Thermal-Stability Performance of an Electroless-Plated (EP) Based Pseudomorphic High Electron Mobility Transistor (PHEMT),¡¨ IEDMS¡¦2011 (Poster Session), Taipei, 2011.

Projects

A. National Science Council Projects

¡P         The Fabrication of High-Performance Heterostructure Field-Effect Transistors (HFETs)(2/3) NSC-92-2215-E-006-007 08/2003~07/2004

¡P         Fabrication of Heterojunction Bipolar Transistors with Improved Performances NSC-92-2218-E-006-032 08/2003~07/2004

¡P         The Fabrication of High-Performance Heterostructure Field-Effect Transistors (HFETs)(3/3) NSC-93-2215-E-006-002 08/2004~07/2005

¡P         Fabrication of High-Performance Compound Semiconductor Heterostructure Field-Effect Transistors (HFETs) NSC-94-2215-E-006-060 08/2005~07/2006

¡P         Development and Fabrication of GaAs-Based High-Performance Hydrogen Sensors for Bio-Medical Applications (1/2) NSC-95-2221-E-006-426-MY2 08/2006~07/2007

¡P         Fabrication of Compound Semiconductor Heterostructure Field-Effect Transistors (HFETs) (1/2) NSC-95-2221-E-006-434-MY2 08/2006~07/2007

¡P         Development and Fabrication of GaAs-Based High-Performance Hydrogen Sensors for Bio-Medical Applications (2/2) NSC-95-2221-E-006-426-MY2 08/2007~07/2008

¡P         Fabrication of Compound Semiconductor Heterostructure Field-Effect Transistors (HFETs) (2/2) NSC-95-2221-E-006-434-MY2 08/2007~07/2008

¡P         Fabrication of ppm-level Compound Semiconductor Based Gas Sensors for Biomedical Applications (1/3) NSC-97-2221-E-006-237-MY3 08/2008~07/2009

¡P         Fabrication of Heterostructure Field-Effect Transistors (HFETs) with Low-Temperature Schottky Contact Processes (1/3) NSC-97-2221-E-006-238-MY3 08/2008~07/2009

¡P         Fabrication of ppm-level Compound Semiconductor Based Gas Sensors for Biomedical Applications (2/3) NSC-97-2221-E-006-237-MY3 08/2009~07/2010

¡P         Fabrication of Heterostructure Field-Effect Transistors (HFETs) with Low-Temperature Schottky Contact Processes (2/3) NSC-97-2221-E-006-238-MY3 08/2009~07/2010

¡P         The Application of texturing GaN-based LEDs By Using Sputtered/Hydrothermal ZnO Nanorods NSC-98-2622-E-006-045-CC3 11/2009~10/2010

¡P         Fabrication of High-Performance Light Emitting Diodes NSC-98-E-006-015-C2 10/2009~09/2010

¡P         Fabrication of ppm-level Compound Semiconductor Based Gas Sensors for Biomedical Applications (3/3) NSC-97-2221-E-006-237-MY3 08/2010~07/2011

¡P         Fabrication of Heterostructure Field-Effect Transistors (HFETs) with Low-Temperature Schottky Contact Processes (3/3) NSC-97-2221-E-006-238-MY3 08/2010~07/2011

¡P         Fabrication of High-Performance Compound Semiconductor Based Chemical Sensors (1/3) NSC--100-2221-E-006-044-MY3 08/2011~07/2012

Students

A.     Students

²        Graduate¡G

¡P       P.H.D.¡GWen-Shiung Lour, Chung-Yih Sun, Der-Feng Guo, Jung-Hui Tsai, Lih-Wen Laih, Shiou-Ying Cheng, Wen-Lung  Chang, Wei-Chou Wang, Hsi-Jen Pan, Kuo-Hui Yu, Kong-Beng Thei, Kun-Wei Lin, Hung-Ming Chuang, Chun-Yuan Chen, Chin-Chuan Cheng, Jing-Yuh Chen, Po-Hsien Lai, Ssu-I Fu, Yan-Ying Tsai, Ching-Wen Hung, Chih-Hung Yen, Tzu-Pin Chen, Li-Yang Chen, Tsung-Han Tsai, Yi-Chun Liu

¡P       Master¡GChung-Yih Sun(78), Chin-Hsi Lin(79), Janne-Wha Wu(79), Der-Feng Guo(80), Yeong-Shyang Lee(80), S. R. Yih(83), Jing-Tong Liang(83), G. M. Lyuu(84), Kong-Beng Thei(85), Cheng-Zu Wu(85), Chin-Chuan Cheng(86), Kun-Wei Lin(86), Hui-Jung Shih(86), Jing-Yuh Chen(87), Wei-Chou Wang(87), Po-Hung Lin(87), Yung-Hsin Shie(88), Shun-Ching Feng(89), Kuan-Po Lin(90), Chih-Hung Yen(90), Wen-Huei Chiou(91), Chun-Yuan Chen(91), Chih-Kai Wang(91), Kuan-Ming Lee(92), Xin-Da Liao(92), Chun-Tsen Lu(92), Sheng-Fu Tsai(92), Po-Hsien Lai(93), Ssu-I Fu(93), Yan-Ying Tsai(93), Chung-I Kao(94), Chi-Yuan Chang(94), Ching-Hsiu Tsai(94), Wei-Hsi Hsu(94), Chun-Wei Chen(95), Tzu-Pin Chen(95), Han-Lien Lin(95), Yi-Wen Huang(96), Yi-Wen Huang(96), Ghun-Wei Ku(96), Hung-Chi Chang(96), Chia-Hao Hsu(97), Wei-Hsin Chen(97), Dian-Yang Lu (97), Hsuan-Sheng Chang(97), Yi-Chun Liu(97), Chung-Fu Chang(98), Chi-Jhung Lee(98), Po-Shun Chiu(98), Zong-Yuan Tsai(99), Jian-Sheng Wu(99), Yung-Jen Chiou(100), Kai-Siang Hsu(100), Cheng-Wei Lin(100)

²        Active¡G

¡P       P.H.D.¡GXin-Da Liao, Kuei-Yi Chu, Chien-Chang Huang, Tai-Yu Chen, Chi-Hsiang Hsu, Jian-Kai Liou, Chun-Chia Chen, Po-Cheng Chou

¡P       Master¡GYu-Chih Chang(102), Cheng-Yen Hsieh(102), Yu-Ting Tsai(102), Cheng-Jing Lai(102)

Holding or Attending National Conferences

  • International Conf. On Superlattices, Nano-structures and Nano-devices (ICSNN2002).
  • Optoelectronic and Microelectronic Materials and Devices (COMMAD 2002).
  • SPIE's Int. Symp. Microelectronics, MEMS, and Nanotechnology, Perth, Australia (MMEN2003).
  • THERMEC¡¦2006 International Conference on Processing & Manufacturing of Advanced Materials (THERMEC¡¦2006)
  • 2007 International Symposium on Functional Materials (ISFM 2007)
  • 37th European Solid-State Device Research Conference (ESSDERC 2007)
  • 2007 International Conference on Solid State Devices and Materials (SSDM 2007)
  • 2008 International Workshop on Junction Technology (IWJT2008)
  • 2009 The International Conference on Nanophotonics (NANO2009)
  • 2009 The 8th Annual Institute of Electrical and Electronic Engineers Conference on Sensors (IEEE Sensors 2009)
  • 2010 The European Materials Research Society Spring Meeting (EMRS Spring Meeting 2010)
  • 2010 The International Union of Materials Research Societies International Conference in Asia (IUMRS-ICA 2010)
  • 2011 The International Conference on Frontier of Nanoscience and Technology (ICFNST 2011)

International Teaching and Research Exchange

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