Zhi-Hua Yin, Yun-Ze Long*, Chang-Zhi Gu, Mei-Xiang Wan and Jean-Luc Duvail
* Corresponding author: Yun-Ze Long yunze.long@163.com
Nanoscale Research Letters 2008, 4:63-69 doi:10.1007/s11671-008-9203-8