Pseudo-donors in SiC

被引:3
作者
Egilsson, T [1 ]
Ivanov, IG
Henry, A
Janzén, E
机构
[1] Linkoping Univ, Dept Phys & Measurement Technol, SE-58183 Linkoping, Sweden
[2] ABB Corp Res, SE-72178 Vasteras, Sweden
来源
SILICON CARBIDE AND RELATED MATERIALS - 1999 PTS, 1 & 2 | 2000年 / 338-3卷
关键词
bound excitons; defects; photoluminescence;
D O I
10.4028/www.scientific.net/MSF.338-342.647
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report on the properties of two well known bound excitons (BE) in silicon carbide, the D-1-BE and a hydrogen related BE, here called the II-BE. We find that in both cases the BE may be regarded as a pseudo-donor, a strongly localised hole serving as the positive core. In order to study the donor-like states of the BE, we use photoluminescence excitation (PLE) spectroscopy. Where possible, we have compared our results with the predictions of effective-mass-theory.
引用
收藏
页码:647 / 650
页数:4
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