Morphology evolution of Si nanowires synthesized by gas condensation of SiO without any catalyst J. F. Zhou, F. Q. Song, Z. T. Shi, Y. F. Chen and M. Han Eur. Phys. J. D, 34 1-3 (2005) 307-310 Published online: 13 July 2005 DOI: 10.1140/epjd/e2005-00165-x