Raman Spectroscopy and magnetic properties of Mn-doped ZnO bulk single crystal

被引：0
|
作者：
He Qing-Bo [1 ,2 ]
Xu Jia-Yue [1 ]
Li Xin-Hua [1 ,2 ]
Kamzin, A. [3 ]
Kamzina, L. [3 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
[3] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
来源：
CHINESE PHYSICS LETTERS | 2007年 / 24卷 / 12期
关键词：
D O I：
10.1088/0256-307X/24/12/057
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Mn doped ZnO bulk single crystals are grown by the modified Bridgman method. The as- grown crystals are red in colour. The additional Raman mode observed at 524 cm(-1) is attributed to the Mn ions incorporating into ZnO crystal. The crystal exhibited paramagnetic under lower appliedfield below 2280 Oe. Then diamagnetism is observed in the crystal when the magneticfield rises up and becomes dominant under appliedfield above 5270 Oe. The magnetic susceptibility dependence on the temperature follows a Curie law indicating a typical paramagnetic characteristic under an applied. eld of 2 kOe. No ferromagnetic ordering is observed in the as- grown Mn- doped ZnO crystal.
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页码：3499 / 3501
页数：3
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