The effect of diffusion upon quantum-well structures was studied by using secondary ion mass spectrometry, Auger electron spectroscopy, capacitance-voltage measurements, photoluminescence, and X-ray diffraction methods. It was found that the interdiffusion of P was negligible.

G.J.Van Gurp, W.M.Van de Wijgert, G.M.Fontijn, P.J.A.Thijs: Journal of Applied Physics, 1990, 67[6], 2919-26