The serial sectioning technique was used to investigate the diffusion of 54Mn in single crystals of undoped and Mn-doped material. The data for undoped samples at temperatures ranging from 213 to 350C could be described by:

D (cm2/s) = 16.5 exp[-1.17(eV)/kT]

The data for undoped samples at temperatures ranging from 350 to 415C could be described by:

D (cm2/s) = 2.02 x 107 exp[-1.93(eV)/kT]

The data for doped (2.1mol%Mn) samples at temperatures ranging from 220 to 360C could be described by:

D (cm2/s) = 1.62 x 10-2 exp[-0.74(eV)/kT]

Diffusion of Mn2+ in AgCl and AgBr Crystals. R.Süptitz, R.Weidmann: Physica Status Solidi B, 1968, 27[2], 631-8