The diffusive behavior of 60Co in the [111] direction was studied at 750 to 1050C. The results could be described by:

D (cm2/s) = 1.2 x 10-1 exp[-2.64(eV)/kT]

V.A.Uskov, V.P.Sorvina: Izvestiya Akademii Nauk SSSR – Neorganicheskie Materialy, 1972, 8[4], 758