Optical properties of a two-dimensional electron gas in ZnSe/(Zn,Be,Mg)Se quantum well structures have been examined by means Optical properties of a two-dimensional electron gas in ZnSe/(Zn,Be,Mg)Se quantum well structures have been examined by means
of photoluminescence and reflectivity techniques in external magnetic fields up to 50 T. For the studied structures, the Fermi of photoluminescence
... [Show full abstract] and reflectivity techniques in external magnetic fields up to 50 T. For the studied structures, the Fermi
energy of the two-dimensional electron gas falls in the range between the trion binding energy and the exciton binding energy, energy of the two-dimensional electron gas falls in the range between the trion binding energy and the exciton binding energy,
which keeps the dominating role of Coulombic interactions between electrons and photoexcited holes. Characteristic peculiarities which keeps the dominating role of Coulombic interactions between electrons and photoexcited holes. Characteristic peculiarities
of the optical spectra are discussed. of the optical spectra are discussed.