Room-temperature growth of carbon nanofibers induced by Ar+-ion bombardment M. Tanemura, T. Okita, J. Tanaka, H. Yamauchi, L. Miao, S. Tanemura and R. Morishima Eur. Phys. J. D, 34 1-3 (2005) 283-286 Published online: 13 July 2005 DOI: 10.1140/epjd/e2005-00159-8