Wang Zhenxia;Yu Liping;Ma Yugang;Zhu Zhiyuan;He Guowei;Hu Gang;Chen Yi;Wang Shaoming;Huang Fuquan;Hu Laigui
2002, Vol. 60(8): 1411-1414
Shanghai Institute of Nuclear Research, Chinese Academy of Sciences. Shanghai(201800);Department of Material, Fudan University.Shanghai (200433);Department of Physics, Zhejiang University,Hangzhou(310028)
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