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Ellipsometric and thermoreflectance spectra of (AlxGa1-x)(0.5)In0.5P alloys

被引：30
作者：
Ozaki, S
Adachi, S
Sato, M
Ohtsuka, K
机构：
[1] GUNMA UNIV,FAC ENGN,DEPT ELECTR ENGN,KIRYU,GUMMA 376,JAPAN
[2] SANYO ELECT CO LTD,DIV RES & DEV,NIIZA,SAITAMA 352,JAPAN
来源：
JOURNAL OF APPLIED PHYSICS | 1996年 / 79卷 / 01期
关键词：
D O I：
10.1063/1.360850
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Spectroscopic-ellipsometry (SE) and thermoreflectance (TR) spectra of (AlxGa1-x)(0.5)In0.5P quaternary alloys are presented. Both measurements are carried out on the same samples in the 1-6 eV photon-energy range at room temperature, These spectra are analyzed based on a simple model of the interbarid transitions. The results are in satisfactory agreement with the experimental SE and TR data over the entire range of photon energies. The composition dependence of the interband critical-point and indirect-band-gap energies is also discussed. (C) 1996 American Institute of Physics.
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页码：439 / 445
页数：7
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