The diffusive behavior of 73As in polycrystalline samples was studied at 810 to 1075C. The results could be described by:

D (cm2/s) = 2.02 x 10-1 exp[-42.13(kcal/mol)/RT]

S.M.Klotsman, Y.A.Rabovskii, V.K.Talinskii, A.N.Timofeev: Fizika Metallov i Metallovedenie, 1970, 29[4], 803-6