The impurity diffusion coefficients of Ti in pure Ag were deduced from the interdiffusivity of Ag and Ti. The results could be described by:

D (cm2/s) = 1.33 x 100 exp[-198(kJ/mol)/RT]

F.Makuta, Y.Iijima, K.Hirano: Transactions of the Japan Institute of Metals, 1979, 20[10], 551-9