Monocrystals which contained extended defects (dislocations, stacking faults) or which were defect-free, were diffused with Au at 1150C. It was found that the diffusion of Au in crystals without defects, and diffusion very near to the surface in crystals with defects, was limited by the diffusion of self-interstitials to the surface. The diffusion in crystals with defects was limited by the diffusion of interstitial Au atoms from the surface. In crystals with an extremely low concentration of extended defects, diffusion was limited by the migration of self-interstitials to the defects.

M.Morooka: Japanese Journal of Applied Physics, 1996, 35[1-5A], 2537-43