A quasi-elastic neutron-scattering study was made of the diffusion of H in the polycrystalline hydride, and an empirical relationship was obtained between the various site residence-times. It was deduced that the diffusivity at 600C was equal to 7 x 10-6 cm2/s.

I.S.Anderson, A.Heidemann, J.E.Bonnet, D.K.Ross, S.K.P.Wilson, M.W.McKergow: Journal of the Less-Common Metals, 1984, 101, 405-18