Teemu Hakkarainen*, Andreas Schramm, Antti Tukiainen, Risto Ahorinta, Lauri Toikkanen and Mircea Guina
* Corresponding author: Teemu Hakkarainen teemu.hakkarainen@tut.fi
Nanoscale Research Letters 2010, 5:1892-1896 doi:10.1007/s11671-010-9747-2
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