The diffusion of Mn2+ in single crystals was studied by using the electron paramagnetic resonance technique. The data could be described by:

D (cm2/s) = 1.05 x 10-4 exp[-0.68(eV)/kT]

H.Riveros, E.Muñoz, C.Ruiz: Revista Mexicana de Fisica, 1968, 17[2], 134