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Charged Excitons in ZnSe-Based QWs
D. R. Yakovlev, G. V. Astakhov, В. П. Кочерешко, Andreas Keller, W. Ossau
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Abstract
We report on magneto-optical studies of ZnSe/(Zn,Mg)(S,Se) and ZnSe/(Zn,Be,Mg)Se quantum wells with n type and p type modulation doping. Negatively and positively charged excitons related to the heavy-hole exciton state are found and identified by their polarization properties. Exciton and trion parameters (radiative and nonradiative dampings, g factors) are determined.