Chronopotentiometry was used to measure diffusion data for AgI. It was found that the diffusivity at 450C was equal to 2.3 x 10-5cm2/s, and that the results for temperatures ranging from 400 to 600C could be described by:

D (cm2/s) = 1.32 x 10-3 exp[-5.8(kcal/mol)/RT]

J.C.Poignet, M.J.Barbier: Electrochimica Acta, 1972, 17[7], 1227-33