The diffusion constant of Cd in single-crystal material was measured using a photoluminescence/etch technique. Diffusion was performed in sealed ampoules using cadmium metal and cadmium selenide powder as dopant sources. For cadmium metal sources,

D(cm2/s) = 6.39 x 10-4 exp[-1.87(eV)/kT]

at 700 to 950C.

W.E.Martin: Journal of Applied Physics, 1973, 44[12], 5639-41