PHONON-DISPERSION IN GAAS

被引：199
|
作者：
STRAUCH, D [1 ]
DORNER, B [1 ]
机构：
[1] INST MAX VON LAUE PAUL LANGEVIN,F-38042 GRENOBLE,FRANCE
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1990年 / 2卷 / 06期
关键词：
D O I：
10.1088/0953-8984/2/6/006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The authors have determined the phonon dispersion curves in GaAs at 12 K for wavevectors along the six directions Gamma -( Delta )-X-( Sigma )- Gamma -( Lambda )-L-X-(Z)-W-(Q)-L by high-precision inelastic neutron scattering. Various existing lattice-dynamical models are used to reproduce the experimental data. The relative merits and drawbacks of these models are discussed.
引用
收藏
页码：1457 / 1474
页数：18
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