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Trions in quantum-well structures with two-dimensional electron gas

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Abstract

A study has been made of bound exciton-electron complexes (trions) and unbound exciton-electron states (combined exciton-cyclotron resonance) from reflectance spectra obtained from modulation-doped CdTe/CdMgTe quantum-well structures. It has been established that the contribution of trions to dielectric permittivity is comparable to that of excitons. An analysis is made of the magnetic-field dependence of the parameters describing the contribution to dielectric permittivity due to exciton-cyclotron-resonance states.

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Fiz. Tverd. Tela (St. Petersburg) 40, 813–815 (May 1998)

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Turchinovich, D.B., Kochereshko, V.P., Yakovlev, D.R. et al. Trions in quantum-well structures with two-dimensional electron gas. Phys. Solid State 40, 747–749 (1998). https://doi.org/10.1134/1.1130439

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