Spin relaxation in InP quantum dots

被引：0
|
作者：
Masumoto, Y [1 ]
Gerlovin, I [1 ]
Ikezawa, M [1 ]
Ignatiev, I [1 ]
Okuno, T [1 ]
Verbin, S [1 ]
Yugova, I [1 ]
机构：
[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan
来源：
2ND INTERNATIONAL CONFERENCE ON SEMICONDUCTOR QUANTUM DOTS | 2003年
关键词：
D O I：
10.1002/pssc.200303097
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Spin dynamics in the self-assembled InP quantum dots is studied experimentally. The spin coherence relaxation is analyzed by studying two types of quantum beats observed in photoluminescence kinetics in an external magnetic field. It is found that the spin coherency in the quantum dots rapidly decays due to the reversible phase relaxation related to a spread of the exchange and Zeeman splittings of the electron-hole levels.
引用
收藏
页码：1368 / 1371
页数：4
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