Shun-Tsung Lo, Hung E Lin, Shu-Wei Wang, Huang-De Lin, Yu-Chung Chin, Hao-Hsiung Lin*, Jheng-Cyuan Lin and Chi-Te Liang*
* Corresponding authors: Hao-Hsiung Lin hhlin@ntu.edu.tw - Chi-Te Liang ctliang@phys.ntu.edu.tw
Nanoscale Research Letters 2012, 7:640 doi:10.1186/1556-276X-7-640
