The diffusivity of Rh was determined at 750 to 1075C. It was found that the results could be described by:

D (cm2/s) = 3.3 x 100 exp[-58.0(kcal/mol)/RT]

R.L.Fogelson, Y.A.Ugai, A.V.Pokoev: Fizika Metallov i Metallovedenie, 1972, 34[5], 1104-5