ELECTRON BEAM SOURCE MOLECULAR BEAM EPITAXY OF AlxGa1-xAs GRADED BAND GAP DEVICE STRUCTURES R. J. MALIK, A. F.J. LEVI, B. F. LEVINE, R. C. MILLER, D. V. LANG, L. C. HOPKINS et R. W. RYANJ. Phys. Colloques, 49 C4 (1988) C4-607-C4-614DOI: https://doi.org/10.1051/jphyscol:19884127