Atomistic level studies on the tensile behavior of GaN nanotubes under uniaxial tension Z. G. Wang, X. T. Zu, F. Gao and W. J. Weber Eur. Phys. J. B, 61 4 (2008) 413-418 Published online: 05 March 2008 DOI: 10.1140/epjb/e2008-00091-3