Magneto-optics of charged excitons in ZnSe/ZnMgSSe quantum wells

被引：7
|
作者：
Yakovlev, DR [1 ]
Nickel, HA
McCombe, BD
Keller, A
Astakhov, GV
Kochereshko, VP
Ossau, W
Nürnberger, J
Faschinger, W
Landwehr, G
机构：
[1] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany
[2] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA
来源：
JOURNAL OF CRYSTAL GROWTH | 2000年 / 214卷
基金：
美国国家科学基金会; 俄罗斯基础研究基金会;
关键词：
charged exciton; magneto-exciton; ZnSe-based quantum well;
D O I：
10.1016/S0022-0248(00)00195-0
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We report magneto-optical studies of ZnSe/(Zn,Mg)(S,Se) quantum wells with n-type modulation doping. Polarized photoluminescence and spin-flip Raman scattering spectroscopy is used to investigate the energy and spin structure of neutral and negatively charged excitons. The binding energy of charged excitons changes very little in magnetic fields up to 15 T. An inverted population of neutral exciton spin sublevels is found in magnetic fields; it is associated with the spin-dependent formation of charged excitons. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：823 / 826
页数：4
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