The diffusive behavior of 170Tm was studied at 705 to 953C. The results could be described by:

D (cm2/s) = 7.28 x 10-9 exp[-24.15(kcal/mol)/RT]

S.Badrinarayanan, H.B.Mathur: Indian Journal of Pure and Applied Physics, 1970, 8[6], 324-30