Zhang Shuhui, Wang Lu*, Shi Zhenwu, Cui Yanxiang, Tian Haitao, Gao Huaiju, Jia Haiqiang, Wang Wenxin, Chen Hong and Zhao Liancheng*
* Corresponding authors: Wang Lu lwang@iphy.ac.cn - Zhao Liancheng lczhao@hit.edu.cn
Nanoscale Research Letters 2012, 7:87 doi:10.1186/1556-276X-7-87
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