μ-Luminescence study of hybrid ferromagnet/diluted magnetic semiconductor quantum structures

被引：2
|
作者：
Cywinski, G [1 ]
Czeczott, M [1 ]
Wróbel, J [1 ]
Fronc, K [1 ]
Aleskiewicz, M [1 ]
Mackowski, S [1 ]
Wojtowicz, T [1 ]
Kossut, J [1 ]
机构：
[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2002年 / 13卷 / 2-4期
关键词：
fringe field effect; hybrid ferromagnet/semiconductor structure diluted magnetic semiconductor; microluminescence;
D O I：
10.1016/S1386-9477(02)00170-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We investigated the low-temperature microluminescence of a heterostructure containing a diluted magnetic semiconductor quantum well buried just below the surface. and subject to a magnetic fringe field of small ferromagnetic island deposited directly on the surface. The photoluminescence spectra of the quantum well exitonic emission taken at various temperatures reveal an additional feature at a tow energy detected when the excitation spot is close to the island edge We interpret this new feature as an effect of local magnetic field at ferromagnetic film edges. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：560 / 563
页数：4
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