Zhengjian Lv, Jianhua Wang*, Guoping Chen and Linhong Deng*
* Corresponding authors: Jianhua Wang wjh@cqu.edu.cn - Linhong Deng denglh@cqu.edu.cn
Nanoscale Research Letters 2010, 5:1032-1038 doi:10.1007/s11671-010-9598-x
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