The diffusion of B under extrinsic conditions was investigated in both oxidizing and inert atmospheres at temperatures of between 950 and 1100C. Oxidation-enhanced diffusion was found. This result contrasted with the oxidation-retarded diffusion of As.

Y.Ishikawa, I.Nakamichi, S.Matsumoto, T.Niimi: Japanese Journal of Applied Physics, 1987, 26[9], 1602-3