Juha Tommila*, Christian Strelow, Andreas Schramm, Teemu V Hakkarainen, Mihail Dumitrescu, Tobias Kipp and Mircea Guina
* Corresponding author: Juha Tommila juha.tommila@tut.fi
Nanoscale Research Letters 2012, 7:313 doi:10.1186/1556-276X-7-313