Ab initio study of I2 and T2 stacking faults in C14 Laves phase MgZn2 Li Ma, Tou-Wen Fan, Bi-Yu Tang, Li-Ming Peng and Wen-jiang Ding Eur. Phys. J. B, 86 4 (2013) 188 Published online: 24 April 2013 DOI: 10.1140/epjb/e2013-30909-6