Isolated anion vacancies and vacancy pairs were found to contribute to anion mass transport, as deduced from the anion tracer self-diffusivities in pure or doped (up to 2.5mol%Cd) specimens (table 44). The data were analyzed by using the Lidiard-Debye-Hückel theory. The diffusion parameters were normal, and both pairs and single vacancies made comparable contributions to anion diffusion.
A.P.Batra, L.M.Slifkin: Journal of Physics - C, 1976, 9[6], 947-58
Table 44
Diffusivity of 36Cl in Pure and Cd-Doped AgCl
Temperature (C) | Cd (mol%) | D (cm2/s) |
307.4 | 0 | 1.35 x 10-12 |
307.4 | 0.98 | 5.80 x 10-13 |
342.1 | 0 | 8.28 x 10-12 |
342.1 | 0.89 | 3.73 x 10-12 |
342.1 | 0.94 | 3.71 x 10-12 |
342.1 | 1.05 | 3.88 x 10-12 |
383.9 | 0 | 5.27 x 10-11 |
383.9 | 0.94 | 3.02 x 10-11 |
383.9 | 1.01 | 3.06 x 10-11 |
383.9 | 1.28 | 3.25 x 10-11 |
408.3 | 0 | 1.48 x 10-10 |
408.3 | 0.94 | 8.82 x 10-11 |
408.3 | 1.02 | 9.14 x 10-11 |
432.4 | 0 | 4.20 x 10-10 |
432.4 | 0.91 | 2.78 x 10-10 |
432.4 | 0.96 | 3.05 x 10-10 |
432.4 | 1.00 | 2.91 x 10-10 |