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Authors Ryoko Tazaki, Desheng Fu, Mitsuru Itoh, Masahiro Daimon, and Shin-ya Koshihara

Journal Journal of Physics.: Condens Matter 21 (2009) 215903(4pp) 1-4  Date 2009, April  
DOI 10.1088/0953-8984/21/21/215903