Photoluminescence observation of quantum confined stark effect caused by band bending near the surface of etched structures with GaAs/AlGaAs wells V. N. ASTRATOV et Yu. A. VLASOVLe Journal de Physique IV, 03 C5 (1993) C5-277-C5-281DOI: https://doi.org/10.1051/jp4:1993555