BAND-STRUCTURE AND OPTICAL-PROPERTIES OF STRAINED SUPERLATTICES

被引：7

作者：

TSERBAK, C ^{[1
]}

POLATOGLOU, HM ^{[1
]}

THEODOROU, G ^{[1
]}

机构：

[1] FRITZ HABER INST,W-1000 BERLIN 33,GERMANY

来源：

PHYSICAL REVIEW B | 1992年 / 45卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.45.4327

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electronic and optical properties of strained superlattices are considered. A similarity transformation of the strained-superlattice Hamiltonian is presented and the average crystal for this case is defined. A simple perturbative approach to compute the eigenvalues and eigenstates is introduced. The dielectric functions for strained and unstrained superlattices are compared with the two limiting cases, i.e., the corresponding average crystal and the mean value of the bulk constituents' dielectric function. Application is made for the Si/Ge and GaAs/AlAs superlattices.

引用

页码：4327 / 4331

页数：5

共 13 条

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