The diffusion of H (table 93) was monitored by using quasi-elastic neutron scattering, and measuring the width of the quasi-elastic line as a function of the scattering vector.

W.Gissler, G.Alefeld, T.Springer: Journal of the Physics and Chemistry of Solids, 1970, 31[10], 2361-9

 

 

 

Table 93

Diffusivity of Protons in Nb

 

H (at%)

Temperature (C)

D (cm2/s)

3.2

120

2.0 x 10-5

3.2

210

3.5 x 10-5

33

120

0.8 x 10-5

33

210

1.6 x 10-5

33

310

2.7 x 10-5