A study was made, of the diffusion of Ag+, by using autoradiographic analysis, micro-hardness measurements and micro X-ray spectral analysis. It was deduced that the pipe diffusivity at temperatures ranging from 200 to 650C could be described by an activation energy of 0.62eV.

Cation Diffusion along Boundaries in Alkali Halide Bicrystals. J.E.Geguzin: Fizika Tverdogo Tela, 1966, 8[11], 3248-53