The diffusion of N in the hexagonal close-packed phase was measured by using polycrystalline samples and (p, α-γ) broadening resonance techniques at 550 to 900C. The results could be described by:

D (cm2/s) = 2.4 x 10-2 exp[-2.51(eV)/kT]

A.Anttila, J.Räisänen, J.Keinonen: Journal of the Less-Common Metals, 1984, 96, 257-62