DIRECT OPTICAL-TRANSITIONS IN INDIRECT SEMICONDUCTORS - THE CASE OF GE TWINNING SUPERLATTICES

被引:6
|
作者
IKONIC, Z
SRIVASTAVA, GP
INKSON, JC
机构
[1] Department of Physics, Exeter University, Exeter EX4 4QL, Stocker Road
来源
PHYSICAL REVIEW B | 1995年 / 52卷 / 03期
关键词
D O I
10.1103/PhysRevB.52.1474
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The folded direct optical transitions in a recently proposed structure-the twinning superlattice-in germanium are calculated and discussed. The absorption coefficient of this structure is found to exceed the bulk Ge value by at least an order of magnitude, but is still small compared to that for direct-gap semiconductors.
引用
收藏
页码:1474 / 1476
页数:3
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