Ion-beam sputtering methods were used to study the diffusion of 199Au in single crystals at 850 to 1265K. The results could be described by:

D (cm2/s) = 1.3 x 10-1 exp[-2.61(eV)/kT]

G.Rein, H.Mehrer, K.Maier: Physica Status Solidi A, 1978, 45[1], 253-62

 

Table 241

Diffusion of H in Pt

 

Temperature (C)

D (m2/s)

558

1.26 x 10-8

606

1.50 x 10-8

666

1.92 x 10-8

726

2.45 x 10-8

748

2.33 x 10-8

751

3.25 x 10-8

772

2.80 x 10-8

797

3.40 x 10-8

804

2.93 x 10-8

831

3.12 x 10-8

885

3.66 x 10-8

896

4.20 x 10-8

936

4.05 x 10-8

872

3.63 x 10-8

767

2.80 x 10-8

754

3.30 x 10-8

735

2.75 x 10-8

713

2.45 x 10-8

679

2.32 x 10-8

630

1.93 x 10-8