It was found that data for 124Sb diffusion in 5N-purity single crystals, at 188 to 315C, could be described by:

D (cm2/s) = 2.9 x 10-1 exp[-22.2(kcal/mol)/RT]

S.Nishikawa, K.Tsumuraya: Philosophical Magazine, 1972, 26[4], 941-51