By using the serial sectioning technique, a study was made of the diffusion of 90Sr ions in high-purity single crystals. It was found that the data, at 500 to 730C, could be described by:

D (cm2/s) = 7.6 x 10-3 exp[-1.247(eV)/kT]

Diffusion of Ca2+ and Sr2+ in NaCl Single Crystals. F.Bénière, M.Bénière, M.Chemla: Comptes Rendus de l’Academie des Sciences – C, 1969, 268[17], 1461-4