Presentation 2005-01-18
Excess leakage currents in AlGaN Schottky interfaces
Tamotsu Hashizume, Masamitsu Kaneko,
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Abstract(in English) This paper discusses mechanism of excess leakage currents through GaN and AlGaN Schottky interfaces. We point out some problems in the proposed mechanism models for leakage current. It is shown that a simulation model taking into account nitrogen-vacancy related defect donors could explain leakage behavior of GaN Schottky interface. For AlGaN Schottky interfaces, the contribution of the oxygen impurity to excess leakage currents is discussed.
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Keyword(in English) GaN / AlGaN / Schottky / leakage current / surface / nitrogen vacancy / oxgen impurity
Paper # ED2004-218,MW2004-225
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Committee ED
Conference Date 2005/1/11(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Excess leakage currents in AlGaN Schottky interfaces
Sub Title (in English)
Keyword(1) GaN
Keyword(2) AlGaN
Keyword(3) Schottky
Keyword(4) leakage current
Keyword(5) surface
Keyword(6) nitrogen vacancy
Keyword(7) oxgen impurity
1st Author's Name Tamotsu Hashizume
1st Author's Affiliation Research Center for Integrated Quantum Electronics, Hokkaido University()
2nd Author's Name Masamitsu Kaneko
2nd Author's Affiliation Research Center for Integrated Quantum Electronics, Hokkaido University
Date 2005-01-18
Paper # ED2004-218,MW2004-225
Volume (vol) vol.104
Number (no) 550
Page pp.pp.-
#Pages 4
Date of Issue