A capillary technique was used to study the diffusion of Ge in the molten metal at temperatures ranging from the melting point to 1200C. The results could be

described by:

D (cm2/s) = 8.9 x 10-4 exp[-3.80(kcal/mol)/RT]

V.N.Lozovskii, N.F.Politova, Y.I.Sklyarov: Zhurnal Fizicheskoi Khimii, 1978, 52[8], 2065-8