HIGH-INTENSITY EXCITATION LUMINESCENCE OF QUANTUM-WELLS IN HIGH MAGNETIC-FIELDS

被引：12
|
作者：
POTEMSKI, M
MAAN, JC
PLOOG, K
WEIMANN, G
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
[2] TECH UNIV MUNICH,WALTER SCHOTTKY INST,W-8046 GARCHING,GERMANY
来源：
SURFACE SCIENCE | 1990年 / 229卷 / 1-3期
关键词：
D O I：
10.1016/0039-6028(90)90911-Q
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The lineshape of the measured, richly structured high excitation luminescence spectra in high magnetic fields in GaAs quantum wells with different thicknesses is analyzed using calculations. In the calculations many-body effects are taken into account only by varying the band-gap. The renormalization of the gap due to carrier-carrier interaction is determined and is found to saturate at a value of twice the exciton binding energy. The data are well described with this simple model, except for the ground state and the observed low energy tailing which necessitates a many-body correction of the density of states. © 1990.
引用
收藏
页码：380 / 383
页数：4
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