Observation of folded phonons in the photoluminescence spectra of GaAs/GaAsP superlattices

被引:1
|
作者
Gorea, O [1 ]
Karaman, M [1 ]
Keyanu, A [1 ]
Tatarinskaya, O [1 ]
机构
[1] STATE UNIV MOLDOVA,DEPT PHYS,MD-2009 KISHINEV,MOLDOVA
关键词
superlattice; luminescence; folded phonons;
D O I
10.1016/S0022-2313(96)00241-4
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The fine structure of the photoluminescence spectra of GaAs/GaAsP superlattices has been studied in a wide temperature range. The temperature behaviour of satellites of the main maxima is explained by the optical recombination processes with participation of folded acoustical phonons with wave vectors in the layers plane. The model calculation of phonon spectra for GaAs/GaP superlattice gives results which are in reasonable agreement with the experimental data.
引用
收藏
页码:338 / 339
页数:2
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