The diffusivity of H in FeTiHx, where x was between 0.65 and 1.03, was determined by using quasi-electron neutron scattering at temperatures of 633 to 759K. The results could be fitted by the Arrhenius relationship:

D (cm2/s) = 7.2 x 10-4 exp[-0.50(eV)/kT]

E.Lebsanft, D.Richter, J.Töpler: Journal of Physics F, 1979, 9[6], 1057-64. See also: E.Lebsanft, D.Richter, J.M.Töpler: Zeitschrift für Physikalische Chemie, 1979, 116, 175-83