Presentation 2002/8/23
Electrical Characterization of Oxidated, Nitridated, and Oxi-Nitridated (100) GaAs
K. Nakamura, N.C. Paul, M. Takebe, K. Iiyama, S. Takamiya,
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Abstract(in English) Influence of oxidation by UV & Ozone process, nitridation by nitrogen plasma process, and nitridation after oxidation (oxi-nitridation) on the electrical performances of (100) GaAs surface were investigated by making metal/insulator/semiconductor (MIS) diodes and Schottky diodes after these treatments. The oxidation damages GaAs surface. Leakage current increased with the process period up to two hours and then decreased by longer time oxidation. The nitridation of bare GaAs wafers drastically increased leakage currents and deteriorated capacitance-voltage performances. The nitridation after 8-hours oxidation recovered the oxidation damage, decreased the leakage current up to 4-hours nitridation, and improved built in potential of the MIS diodes. These results coincide well with results of structural characterization which are reported in our separate paper.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) oxidation / nitridation / oxi-nitridation / I-V characteristic / C-V charactenstic
Paper # ED2002-187
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Committee ED
Conference Date 2002/8/23(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Electrical Characterization of Oxidated, Nitridated, and Oxi-Nitridated (100) GaAs
Sub Title (in English)
Keyword(1) oxidation
Keyword(2) nitridation
Keyword(3) oxi-nitridation
Keyword(4) I-V characteristic
Keyword(5) C-V charactenstic
1st Author's Name K. Nakamura
1st Author's Affiliation Graduate School of Natural Science, Kanazawa University()
2nd Author's Name N.C. Paul
2nd Author's Affiliation Graduate School of Natural Science, Kanazawa University
3rd Author's Name M. Takebe
3rd Author's Affiliation Graduate School of Technology Faculty of Engineering, Kanazawa University
4th Author's Name K. Iiyama
4th Author's Affiliation Graduate School of Technology Faculty of Engineering, Kanazawa University
5th Author's Name S. Takamiya
5th Author's Affiliation Graduate School of Natural Science, Kanazawa University
Date 2002/8/23
Paper # ED2002-187
Volume (vol) vol.102
Number (no) 294
Page pp.pp.-
#Pages 6
Date of Issue