The coefficients for Cu+ diffusion in the γ and β phases were measured by using a tracer technique (table 53). It was found that diffusion in the γ phase obeyed an Arrhenius relationship, with an associated activation energy of 1.4eV.

Tracer Diffusion Study of CuCl. J.E.Jørgensen, J.X.M.Z.Johansson, K.Sköld: Journal of Solid State Chemistry, 1992, 98[2], 263-8