Aligned single crystal Al-catalyzed boron nanorods on Si substrates Qing Yang, Jian Sha, Lei Wang, Zhizhong Yuan and Deren Yang Eur. Phys. J. B, 56 1 (2007) 35-39 Published online: 28 March 2007 DOI: 10.1140/epjb/e2007-00087-5