Serial sectioning methods were used to study the diffusion of 191Pt, 195mPt and 197Pt tracers at 1094 to 1232K. The results could be described by:

D (cm2/s) = 1.9 x 100 exp[-235.7(kJ/mol)/RT]

G.Neumann, M.Pfundstein, P.Reimers: Philosophical Magazine A, 1982, 45[3], 499-507