Self-diffusion in single crystals was measured at 496 to 640K. The diffusion of 122Sb could be represented by:

D(m2/s) = 4.6 x 10-6 exp[-1.52(eV)/kT]

along the c-axis and by

D(m2/s) = 1.34 x 10-4 exp[-1.71(eV)/kT]

perpendicular to the c-axis.

M.Werner, H.Mehrer, H.Siethoff: Journal of Physics C, 1983, 16[32], 6185-95