Spin relaxation in CdTe/ZnTe quantum dots

被引：0
|
作者：
Chen, Y [1 ]
Okuno, T [1 ]
Masumoto, Y [1 ]
Terai, Y [1 ]
Kuroda, S [1 ]
Takita, K [1 ]
机构：
[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan
来源：
Physics of Semiconductors, Pts A and B | 2005年 / 772卷
关键词：
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：
We have measured photoluminescence (PL) spectra and time-resolved PL in CdTe quantum dots (QDs) under the longitudinal magnetic field up to 10T. Circular polarization of PL increases with increasing magnetic field, while its linear polarization is absent under linearly polarized excitation. Time-resolved PL measurements clarified that this behavior is caused by the suppression of spin relaxation induced by the longitudinal magnetic field. We believe that this behavior is related to the hyperfine interaction of electron spin with magnetic momenta of lattice nuclei.
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页码：1351 / 1352
页数：2
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