Influence of the magnetic polaron formation on the exciton kinetics in Cd1-xMnxTe/ZuTe multiple quantum wells

被引：0
|
作者：
Pittini, R
Shen, JX
Takahashi, M
Oka, Y
机构：
[1] Tohoku Univ, RISM, Sendai, Miyagi 9808577, Japan
[2] Japan Sci & Technol Corp, CREST, Kawaguchi 3320012, Japan
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 2000年 / 221卷 / 01期
关键词：
D O I：
10.1002/1521-3951(200009)221:1<355::AID-PSSB355>3.0.CO;2-M
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present optical pump-probe experiments carried out in Cd1-xMnxTe/ZnTe multiple quantum wells to study the dynamics of excitons, exchange-coupled to Mn spins in the form of magnetic polarons. From the analysis of the transient absorption spectra, we found that the magnetic polaron formation a) suppresses the formation of biexcitons (this simplifies the lineshape analysis of the pump-probe spectra) and b) retards the energy relaxation of the excitons by 14 ps in these semimagnetic structures.
引用
收藏
页码：355 / 358
页数：4
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