Serial sectioning methods were used to study the diffusion of 113In in 3N8-purity single crystals. The results could be described by:

D (cm2/s) = 6.78 x 100 exp[-64.6(kcal/mol)/RT]

A.B.Vladimirov, V.N.Kaigorodov, S.M.Klotsman, I.S.Trakhtenberg: Physics of Metals and Metallography, 1978, 45[6], 1301-4 [Russian issue]