Serial sectioning techniques were used to study the isotope effect for the diffusion of 105Ag and 111Ag. The crystals contained 100ppmNa and several ppm of heavy metal impurities. The value of 1-111D/105D was equal to 0.0078 at 240C.

N.L.Peterson, L.W.Barr, A.D.Le Claire: Journal of Physics - C, 1973, 6[12], 2020-39