ELECTROREFLECTANCE AND SPECTROSCOPIC ELLIPSOMETRY STUDIES OF GaAs/GaAlAs HETEROJUNCTIONS C. Alibert, S. Gaillard, M. Erman and P. M. FrijlinkJ. Phys. Colloques, 44 C10 (1983) C10-229-C10-233DOI: https://doi.org/10.1051/jphyscol:19831048