The diffusive behavior of Cd was studied at 800 to 1100C. The results could be described by:

D (cm2/s) = 1.3 x 10-3 exp[-2.2(eV)/kT]

M.Fujimoto, K.Kudo, N.Hishinuma: Japanese Journal of Applied Physics, 1969, 8[6], 725-9