Xuemin Qian, Huibiao Liu*, Yanbing Guo, Shiqun Zhu, Yinglin Song* and Yuliang Li
* Corresponding authors: Huibiao Liu liuhb@iccas.ac.cn - Yinglin Song ylsong@hit.edu.cn
Nanoscale Research Letters 2009, 4:955-961 doi:10.1007/s11671-009-9324-8
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