It was found that 65Zn diffusion data for 4N-purity samples at 390 to 810C, could be described by:

D (cm2/s) = 3.0 x 10-1 exp[-44.2(kcal/mol)/RT]

J.Kucera, B.Million, J.Peskova: Physica Status Solidi A, 1972, 11[1], 361-6