Hanle effect of charged and neutral excitons in quantum wells

被引：2
|
作者：
Klopotowski, L
Suffczynski, J
Nawrocki, M
Janik, E
机构：
[1] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[2] Polish Acad Sci, PL-02668 Warsaw, Poland
来源：
JOURNAL OF SUPERCONDUCTIVITY | 2003年 / 16卷 / 02期
关键词：
Hanle effect; quantum wells; excitons;
D O I：
10.1023/A:1023623116410
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We measured magnetic field depolarization of charged and neutral exciton cw photoluminescence of a system consisting of two coupled quantum wells with a residual concentration of holes. Using the Hanle expression, we obtained exciton lifetime and electron spin relaxation time, which are in agreement with results of time-resolved experiments. We suppose that the tunneling takes place via an emission of an LO phonon and we find this process spin conserving.
引用
收藏
页码：435 / 437
页数：3
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