Thermo-optical nonlinearity of GaN grown by metalorganic chemical-vapour deposition

被引:15
作者
Zhao, GY
Ishikawa, H
Yu, G
Egawa, T
Watanabe, J
Soga, T
Jimbo, T
Umeno, M
机构
[1] Nagoya Inst Technol, Dept Elect & Comp Engn, Showa Ku, Nagoya, Aichi 466, Japan
[2] Nagoya Inst Technol, Res Ctr Microstruct Devices, Showa Ku, Nagoya, Aichi 466, Japan
[3] Nagoya Inst Technol, Dept Environm Technol & Urban Planning, Showa Ku, Nagoya, Aichi 466, Japan
关键词
D O I
10.1063/1.121710
中图分类号
O59 [应用物理学];
学科分类号
摘要
A study of thermo-optical coefficient (dn/dT) of GaN using spectroscopic ellipsometry is made, and a large thermo-optical nonlinearity near band edge, which increases with increasing temperature, has been observed. Kramers-Kronig transformation has been used to verify our results and a qualitative consistency has been obtained. (C) 1998 American Institute of Physics.
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页码:22 / 24
页数:3
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