Inversion behavior in thermally oxidized p-GaN metal-oxide-semiconductor capacitors

被引:21
作者
Nakano, Y [1 ]
Kachi, T
Jimbo, T
机构
[1] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan
[2] Nagoya Inst Technol, Nagoya, Aichi 4668555, Japan
[3] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2003年 / 21卷 / 05期
关键词
D O I
10.1116/1.1612937
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The characteristics of thermally oxidized p-GaN metal-oxide-semiconductor (MOS) capacitors fabricated on sapphire substrates have been investigated electrically. 100-nm-thick beta-Ga2O3 was grown by thermal dry oxidation of Mg-doped GaN at 880 degreesC for 5 h. Capacitance-voltage measurements at room temperature show a low interface trap density of similar to 1 X 10(10) eV(-1) cm(-2) and display peculiar behavior that is different from a deep depletion feature. These results indicate some possibilities of surface inversion in thermally grown beta-Ga2O3 /p-GaN MOS structures without any n(+) source regions. (C) 2003 American Vacuum Society.
引用
收藏
页码:2220 / 2222
页数:3
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