Control of spectral and polarization characteristics in semimagnetic asymmetric double quantum wells

被引：0
|
作者：
Zaitsev, S. V. [1 ]
Brichkin, A. S. [1 ]
Dorozhkin, P. S. [1 ]
Bacher, G. [2 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia
[2] Univ Duisburg Essen, Lehrstuhl Werkstoffe Elekt Tech, D-47057 Duisburg, Germany
来源：
PHYSICS OF SEMICONDUCTORS, PTS A AND B | 2007年 / 893卷
关键词：
asymmetric double quantum wells; spin relaxation; tunneling;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Detailed investigations of steady-state photoluminescence (PL) in Cd(Mg,Mn)Te-based asymmetric double quantum wells (ADQW) have been performed in magnetic fields up to B=10 T. PL spectra are determined by mutual exciton band alignment of adjacent wells in spin-dependent ADQW potential. It is found that the populations of thermalized excitons in the wells are governed by intrawell spin relaxation, which allows to control spectral and polarization characteristics of sernimagnetic ADQWs by varying of excitation conditions and structure parameters.
引用
收藏
页码：417 / +
页数：2
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