It was found that 65Zn diffusion data for 4N-purity samples at 890 to 1075C, could be described by:

D (cm2/s) = 7.3 x 10-1 exp[-47.5(kcal/mol)/RT]

S.M.Klotsman, Y.A.Rabovskii, V.K.Talinskii, A.N.Timofeev: Fizika Metallov i Metallovedenie, 1969, 28[6], 1025-8