Electron microprobe methods were used to study the diffusion of Si in thin-films at 475 to 550C. The results could be described by:

D (cm2/s) = 8.3 x 10-3 exp[-0.81(eV)/kT]

A.Paccagnella, G.Ottaviani, P.Fabbri, G.Ferla, G.Queirolo: Thin Solid Films, 1985, 128[3-4], 217-23

 

Table 29

Triple Product at 553K for Zn Diffusion through Tilt Grain Boundaries in Al

Tilt Axis: <111>

 

Tilt Angle (º)

Pressure (MPa)

sδD (m3/s)

38

0.1

1.85 x 10-20

38

0.4

1.9 x 10-20

38

600

9.4 x 10-21

38

1200

5.5 x 10-21

39

0.1

2.35 x 10-20

39

0.4

3.3 x 10-20

39

300

1.3 x 10-20

39

600

1.3 x 10-20

39

900

1.1 x 10-20

39

1200

1.1 x 10-20

43

0.1

2.15 x 10-20

43

0.4

3.41 x 10-20

43

300

1.7 x 10-20

43

600

1.8 x 10-20

43

900

1.8 x 10-20

43

1200

8.6 x 10-21