The diffusion of 60Co was measured by using secondary ion mass spectrometry, γ-ray counting and sputter sectioning methods at 640 to 848K. The results could be described by:
D (cm2/s) = 4.3 x 10-1 exp[-2.22(eV)/kT]
R.Döhl, M.P.Macht, V.Naundorf: Physica Status Solidi A, 1984, 86[2], 603-12