The serial sectioning technique was used to study the 124Sb tracer diffusivity in samples with dislocation densities of between 106 and 108/cm2. The results (table 102) indicated that the pipe diffusivity could be described by:

D(cm2/s) = 6 x 10-3exp[-2.9(eV)/kT]

P.Fahrenholtz, J.Mimkes: Physica Status Solidi B, 1976, 78[2], K137-40