LATTICE-VIBRATIONS OF ULTRATHIN-LAYER (GAAS)N(ALAS)M SUPERLATTICES

被引：5

作者：

PUSEP, YA ^{[1
]}

TOROPOV, AI ^{[1
]}

机构：

[1] INST SEMICONDUCTOR PHYS, NOVOSIBIRSK 630090, USSR

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1992年 / 4卷 / 40期

关键词：

D O I：

10.1088/0953-8984/4/40/005

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We present experimental results obtained by far-infrared reflection spectroscopy in the investigation of the optical phonons in ultrathin-layer (GaAs)n(AlAs)m superlattices (UTSLs). It was found that the frequencies of confined optical phonons in URSLs are much closer to the frequency of the corresponding bulk phonon at the centre of the Brillouin zone than in SLS with sufficiently thick layers. The influence of the barrier thickness was also studied.

引用

页码：L525 / L528

页数：4

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