DYNAMIC PROPERTIES OF GA1-XINXAS SOLID-SOLUTIONS - INFLUENCE OF LOCAL DISTORTION EFFECTS

被引：24

作者：

LANDA, G

CARLES, R

RENUCCI, JB

机构：

[1] Laboratoire de Physique des Solides, URA.CNRS/74, Université Toulouse III, 31062 Toulouse Cedex

来源：

SOLID STATE COMMUNICATIONS | 1993年 / 86卷 / 06期

关键词：

D O I：

10.1016/0038-1098(93)90856-I

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Polarization measurements on Raman spectra of Ga1-xInxAs solid solutions are performed over a wide energy range (10 cm-1 - 600 cm-1) for several concentrations (x = 0, 0.09, 0.20, 0.40, 0.53, 1). They show that this system follows the so-called ''two-mode behaviour''. The predominance of the GaAs band in the Raman spectra and the large splitting of the two longwavelength optical GaAs modes over a large range of composition are correlated to the enhancement of the coupling between the two types of oscillators by local distortion effects.

引用

页码：351 / 355

页数：5

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