The impurity diffusion coefficients of Xe in 3N-purity Ag were determined at 750 to 900C. The results could be described by:

D (cm2/s) = 7.8 x 10-9 exp[-28.5(kcal/mol)/RT]

S.Kawasaki: Journal of Nuclear Science and Technology, 1967, 4[5], 239-43