Near-surface diffusion in single crystals and thin amorphous films was studied by means of charged-particle Rutherford back-scattering and ion microprobe techniques at 200 to 450C. It was found that the former results (figure 3) could be described by:

D (cm2/s) = 9.0 x 10-3 exp[-1.7(eV)/kT]

Heavy-Element Diffusion in CdTe. M.Hage-Ali, I.V.Mitchell, J.J.Grob, P.Siffert: Thin Solid Films, 1973, 19[2], 409-18

Table 1

Diffusivity of Au in Hg0.8Cd0.2Te