Sheikh Z Rahaman, Siddheswar Maikap*, Ta-Chang Tien, Heng-Yuan Lee, Wei-Su Chen, Frederick T Chen, Ming-Jer Kao and Ming-Jinn Tsai
* Corresponding author: Siddheswar Maikap sidhu@mail.cgu.edu.tw
Nanoscale Research Letters 2012, 7:345 doi:10.1186/1556-276X-7-345