The tracer diffusion of 147Pm in p-type crystals was studied. The diffusion profiles were analyzed in terms of two (fast and slow) diffusion coefficients. The fast and slow processes appeared to be governed by activation energies of 0.07 and 1.2eV, respectively, at between 730 and 1270C.

I.Ferrin, G.Bemski, W.Parker: Physics Letters A, 1970, 32[2], 65-6