Using the p-n junction method, the diffusion of B into single crystals was studied for surface concentrations of between 2 x 1019 and 8 x 1019/cm3. It was found that, between 1000 and 1200C, the results could be described by:

D(cm2/s) = 1.2 x 100exp[-3.5(eV)/kT]

J.L.Alvarez: An. Fis., 1969, 65[9], 299-303