PHONON-DISPERSION IN GAAS

被引:201
作者
STRAUCH, D [1 ]
DORNER, B [1 ]
机构
[1] INST MAX VON LAUE PAUL LANGEVIN,F-38042 GRENOBLE,FRANCE
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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