The diffusive behavior of 55Fe was studied at 850 to 1160C. The results could be described by:

D (cm2/s) = 4.2 x 10-2 exp[-1.8(eV)/kT]

B.I.Boltaks, G.S.Kulikov, I.N.Nikulitsa, F.S.Shishiyahu: Izvestiya Akademii Nauk SSSR – Neorganicheskie Materialy, 1975, 11[2], 348-50