Appearance of resonant Γ-X mixing in gradient GaAs/AlAs short-period superlattices

被引:0
|
作者
Gerlovin, IY [1 ]
Dolgikh, YK [1 ]
Efimov, YP [1 ]
Ignat'ev, IV [1 ]
Nedokus, IA [1 ]
机构
[1] St Petersburg State Univ, Sci Res Inst Phys, St Petersburg 198904, Russia
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1134/1.1130442
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We have experimentally investigated the low-temperature (10 K) luminescence and reflection spectra of a gradient GaAs/AlAs superlattice. We have examined the behavior of phonon satellites in the vicinity of the X-T resonance. Smooth passage through the resonance was achieved by scanning an exciting light beam along the surface of a gradient sample. Based on our experimental results, we have determined the functional dependence of the Gamma-X mixing potential on the resonance detuning. (C) 1998 American Institute of Physics.
引用
收藏
页码:756 / 757
页数:2
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