The serial sectioning technique was used to study the diffusion of 35SO42- ions in single crystals, in the intrinsic range. The results (table 152) could be described by:

D (cm2/s) = 0.065 exp[-1.12(eV)/kT]

M.Bénière, F.Bénière, M.Chemla: Solid State Communications, 1973, 13[9], 1339-43

 

 

Table 152

Diffusivity of SO4 in NaCl Crystals

 

Temperature (C)

D (cm2/s)

741.7

1.73 x 10-7

732.2

1.56 x 10-7

722.1

1.40 x 10-7

716.4

1.19 x 10-7

699.2

1.01 x 10-7

681.7

7.45 x 10-8

662.1

6.31 x 10-8

645.7

4.67 x 10-8

607.0

2.33 x 10-8

556.1

1.02 x 10-8

541.1

7.39 x 10-9