Tomoharu Tokunaga*, Tadashi Kawamoto, Kenta Tanaka, Naohiro Nakamura, Yasuhiko Hayashi, Katsuhiro Sasaki, Kotaro Kuroda and Takahisa Yamamoto
* Corresponding author: Tomoharu Tokunaga t.tokunaga@numse.nagoya-u.ac.jp
Nanoscale Research Letters 2012, 7:85 doi:10.1186/1556-276X-7-85
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