YAN Yun-Xing, TAO Xu-Tang, SUN Yuan-Hong, XU Gui-Bao, WANG Chuan-Kui, YANG Jia-Xiang, YU Xiao-Qiang, WU Yong-Zhong, ZHAO Xian, JIANG Min-Hua
2004, Vol. 62(23): 2343-2347
1. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100;
2. Department of Physics, Shandong Normal University, Jinan 250014
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