OPTICAL ABSORPTION IN N-TYPE CUBIS SIC

被引:47
作者
PATRICK, L
CHOYKE, WJ
机构
[1] Westinghouse Research Laboratories, Pittsburgh
来源
PHYSICAL REVIEW | 1969年 / 186卷 / 03期
关键词
D O I
10.1103/PhysRev.186.775
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Nitrogen doping of cubic SiC increases the optical absorption in two regions. The free-carrier intraband absorption has a wavelength dependence of λ2.8. An additional narrow band near 3.1 eV is shown to be the direct interband transition from the X1c conduction band to the higher X3c band. The relationship to Biedermann's work on other SiC polytypes is indicated. © 1969 The American Physical Society.
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页码:775 / &
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