Ultrafast exciton spin dynamics in Cd1-xMnxTe quantum wells

被引：0
|
作者：
Seo, K [1 ]
Nishibayashi, K [1 ]
Chen, ZH [1 ]
Kayanuma, K [1 ]
Murayama, A [1 ]
Oka, Y [1 ]
机构：
[1] Tohoku Univ, IMRAM, Sendai, Miyagi 9808577, Japan
来源：
PHYSICS OF SEMICONDUCTORS, PTS A AND B | 2005年 / 772卷
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D O I：
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中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Dynamics of spin-polarized excitons has been studied in diluted magnetic semiconductor quantum wells by femto-second pump-probe spectroscopy in magnetic fields. Transient processes of injection and spin relaxation of excitons are measured in the quantum wells. The injection time and the spin-flip time of excitons are obtained as 5 ps and 41 ps, respectively.
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页码：1321 / 1322
页数：2
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