It was found that the S diffusivity at between 1050 and 1370C could be described by:
D(cm2/s) = 9.2 x 10-1exp[-2.2(eV)/kT]
Sulfur in Silicon. R.O.Carlson, R.N.Hall, E.M.Pell: Journal of the Physics and Chemistry of Solids, 1959, 8, 81