LIN Xiao-Min, Song Wen-Fu, LI Li-Ping, SU Wen-Hui
2004, Vol. 62(10): 951-955
1. Department of Physics, Beihua University, Jilin 132013;
2. Department of Physics, Jilin University, Changchun 130023;
3. Center of International Material Physics Reserch, Chinese Academy of Sciences, Shengyang 110015
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