The mobility of H and D was measured at 30C by using a resistance method. The effective charges which were calculated by using reported diffusion coefficients were positive and were slightly greater for D, than for H (table 184).

Electromigration of Hydrogen and Deuterium in Vanadium and Niobium by a Resistance Method. D.T.Peterson, C.L.Jensen: Metallurgical Transactions A, 1978, 9[11], 1673-7

 

Table 181

Diffusion of H in V

 

Temperature (K)

D (m2/s)

473

7.1 x 10-11

426

2.8 x 10-11

404

8.9 x 10-12

390

2.4 x 10-11

388

3.8 x 10-12