| Raman Spectroscopy and Magnetic Properties of Mn-Doped ZnO Bulk Single Crystal |
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| 作者姓名： | 何庆波 徐家跃 李新华 A. Kamzin Kamzina |
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| 作者单位： | [1]Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 [2]Graduate School of the Chinese Academy of Sciences, Beijing 100049 [3]Ioffe Physicotechnieal Institute, Russian Academy of Sciences, St. Petersburg, Russia 194021 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 50372076. |
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| 摘 要： |
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| 关 键 词： | 拉曼光谱学 磁性质 掺杂 单晶体 |
| 收稿时间： | 2007-09-04 |
Raman Spectroscopy and Magnetic Properties of Mn-Doped ZnO Bulk Single Crystal |
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| HE Qing-Bo,XU Jia-Yue,LI Xin-Hua,A. Kamzin,L. Kamzina.Raman Spectroscopy and Magnetic Properties of Mn-Doped ZnO Bulk Single Crystal[J].Chinese Physics Letters,2007,24(12):3499-3501. |
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| Authors: | HE Qing-Bo XU Jia-Yue LI Xin-Hua A Kamzin L Kamzina |
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| Institution: | Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050Graduate School of the Chinese Academy of Sciences, Beijing 100049Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, Russia 194021 |
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| Abstract: | Mn doped ZnO bulk single crystals are grown by the modified Bridgman method. The as-grown crystals are red in eolour. The additional Raman mode observed at 524cm^-1 is attributed to the Mn ions incorporating into ZnO crystal. The crystal exhibited paramagnetie under lower applied field below 2280 Oe. Then diamagnetism is observed in the crystal when the magnetic field rises up and becomes dominant under applied field above 5270 Oe. The magnetic susceptibility dependence on the temperature follows a Curie law indicating a typical paramagnetie characteristic under an applied field of 2kOe. No ferromagnetic ordering is observed in the as-grown Mn-doped ZnO crystal. |
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| Keywords: | 61 72 Vv 75 50 Pp 78 30 Fs |
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