The diffusion of 35S in single crystals was studied. The results could be described by:

D (cm2/s) = 2.17 x 10-5 exp[-69.8(kcal/mol)/RT]

V.P.Iovkov, A.S.Panov, A.V.Ryabenko: Fizika Metallov i Metallovedenie, 1972, 34[6], 1322-3