The diffusive behaviors of 63Cu and 65Cu were studied at 25 to 1000C. The results could be described by:

63Cu:     D (cm2/s) = 1.1 x 10-1 exp[-1.97(eV)/kT]

65Cu:     D (cm2/s) = 1.5 x 10-1 exp[-2.00(eV)/kT]

U.El-Hanany, D.Zamir: Physical Review, 1969, 183[3], 809-19