The behavior of H atoms was investigated by using a resistivity method at 293 to 773K. It was found that the diffusivity could be described by:

D (cm2/s) = 5.3 x 10-6 exp[-0.80(eV)/kT]

R.Pietrzak, B.Rozenfeld: Journal of the Less Common Metals, 1990, 162[11], 23-31