A serial sectioning technique was used to study the diffusion of 36Cl in material which contained about 4ppm of impurities (table 5). The Arrhenius plots were curved. The Cl appeared to require a rather higher activation energy than that of Br, at high temperatures.

Impurity Halide Diffusion in Silver Chloride and Silver Bromide. A.P.Batra, L.Slifkin: Journal of Physics and Chemistry of Solids, 1969, 30[6], 1315-20

 

Table 6

Diffusion of Co2+ in AgBr

 

Temperature (C)

D (cm2/s)

243.0

2.22 x 10-10

267.2

6.66 x 10-10

294.5

2.01 x 10-9

322.1

6.71 x 10-9

344.5

1.51 x 10-8

367.3

4.01 x 10-8

390.6

8.62 x 10-8

407.9

1.98 x 10-7