A study was made of the diffusion of a thin metal film into a NaCl substrate. This involved measuring the time which was required for complete dissolution of a 1.28 x 10-7m film (table 134).

A New Method for Measuring Diffusion Processes of Thin Metal Films in a Dielectric Medium. J.Hamersky: Thin Solid Films, 1969, 4[1], 15-23

 

Table 134

Thin-Film Diffusion of Ni into a NaCl Substrate

 

Temperature (K)

D (m2/s)

723

2.5 x 10-19

673

5.0 x 10-20

623

1.7 x 10-20

 

 

Figure 28

Pipe Diffusion of Na in NaCl