It was shown that diffusion via the singly ionized acceptor associate, (SnAsVGaVGa)', could account for the known diffusion behavior of Sn. From experiment, it was deduced that the diffusivity of the latter associate could be described by:

D (cm2/s) = 1.2 x 10-3 exp[-2.5(eV)/kT]

D.Shaw: Physica Status Solidi A, 1984, 86[2], 629-35