Negatively charged exciton X and donor bound exciton D0X in planar doped CdTe/Cdl-xZnxTe quantum well heterostructures K. KHENG, R.T. COX, M. MAMOR, K. SAMINADAYAR and S. TATARENKO Le Journal de Physique IV, 03 C5 (1993) C5-95-C5-98 DOI: 10.1051/jp4:1993517