The diffusive behavior of 141Ce was studied at 760 to 950C. The results could be described by:

D (cm2/s) = 2.17 x 10-8 exp[-27.6(kcal/mol)/RT]

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