RESONANT RAMAN-SCATTERING IN GA1-XINXP SOLID-SOLUTIONS

被引:4
作者
BEDEL, E
CARLES, R
ZWICK, A
RENUCCI, MA
RENUCCI, JB
机构
[1] CNRS, Lab de Physique des Solides,, Toulouse, Fr, CNRS, Lab de Physique des Solides, Toulouse, Fr
来源
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1985年 / 130卷 / 02期
关键词
RAMAN SCATTERING;
D O I
10.1002/pssb.2221300208
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Resonant Raman scattering is investigated around the fundamental edge E//0 in Ga//1// minus //xIn//xP solid solutions. The strong enhancements of the 'forbidden' LO-like modes are explained by a Frohlich intraband interaction and lead to replica of the first-order spectra. The non-homogeneous activation of the one-phonon density of states and the unusual sharp enhancements of LA-like modes are interpreted as due to structural disorder effects. Local chalcopyrite arrangements are suggested.
引用
收藏
页码:467 / 474
页数:8
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