STRUCTURAL CHARACTERISTICS AND HIGHER-ORDER ZONE-FOLDED PHONON MODES IN ZNSE-ZNS STRAINED-LAYER SUPERLATTICES

被引：2

作者：

YAMAMOTO, A

KANEMITSU, Y

MASUMOTO, Y

机构：

[1] Institute of Physics, University of Tsukuba, Tsukuba, Ibaraki

来源：

JOURNAL OF CRYSTAL GROWTH | 1994年 / 138卷 / 1-4期

基金：

日本学术振兴会;

关键词：

D O I：

10.1016/0022-0248(94)90884-2

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We have observed higher-order (up to the 5th order) zone-folded phonon modes in ZnSe-ZnS strained-layer superlattices by means of Raman scattering spectroscopy. The structural characterizations of both the fluctuation of the periodicity and the roughness of the interface were obtained from the images of the transmission electron microscopy. The Raman spectrum of the zone-folded modes is well explained by the theoretical calculation which takes account of the two structural characteristics. Furthermore, we found that the strain does not play a dominant role in the Raman spectrum of the zone-folded modes.

引用

页码：643 / 646

页数：4

共 14 条

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