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

D (cm2/s) = 9.65 x 10-5 exp[-4.8(kcal/mol)/RT]

S.Honma, N.Sano, Y.Matsushita: Metallurgical Transactions, 1971, 2[5], 1494-6