INFLUENCE OF SPATIALLY DEPENDENT PERTURBATIONS ON MODULATED REFLECTANCE AND ABSORPTION OF SOLIDS

被引：181

作者：

ASPNES, DE

FROVA, A

机构：

[1] Brown University, Providence

[2] Bell Telephone Laboratories, Murray Hill, N.J. 07974 The part of the work done, Brown University was supported by the National Science Foundation, Durham

[3] Istituto di Fisica, Universitá di Roma, Rome

[4] Bell Telephone Laboratories, Murray Hill, NJ

来源：

SOLID STATE COMMUNICATIONS | 1969年 / 7卷 / 01期

关键词：

D O I：

10.1016/0038-1098(69)90714-5

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A theory is presented to calculate the changes in the optical properties of a solid in the presence of a nonuniform perturbation. The treatment has general validity and shows that the spatial variation of the perturbation not only results in changes of spectral lineshapes due to averaging effects, but also causes an apparent mixing of the real and imaginary parts of the dielectric function. This effect is readily observable in electroreflectance at fundamental edges and accounts for many experimental observations. © 1969.

引用

页码：155 / 159

页数：5

共 27 条

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