CHARACTERIZATION OF AlGaAs/GaAs HBTs BY LOCALIZED FILTERED CATHODOLUMINESCENCE C. DUBON-CHEVALLIER, A.C. PAPADOPOULO, V. AMARGER, C. BESOMBES, B. DESCOUTS et A.M. POUGNET J. Phys. IV France, 01 C6 (1991) C6-297-C6-301 DOI: 10.1051/jp4:1991645