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Interband Absorption and Photoluminescence in the Cylindrical Layered CdS/HgS/CdS Heterostructure

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Journal of Contemporary Physics (Armenian Academy of Sciences) Aims and scope

Abstract

Within the approximation of an isotropic effective mass, the one-particle states of charge carriers in the layered CdS/HgS/CdS heterostructure are considered. It is shown that under conditions in which the strong-quantization regime is realized in the HgS layer, the spatial localization of charge carriers is realized there with the maximum probability. The energy spectrum and envelopes of the wave functions of the electron and hole states are computed in the structure under consideration. The interband optical absorption is computed, when the system is a layered cylindrical quantum dot and when there is a free motion of the charge carriers along the symmetry axis. For the same cases, the photoluminescence spectrum is also considered.

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Authors and Affiliations

  1. Russian–Armenian University, Yerevan, Armenia

    V. A. Harutyunyan, D. B. Hayrapetyan & E. M. Kazaryan

Authors
  1. V. A. Harutyunyan
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  2. D. B. Hayrapetyan
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  3. E. M. Kazaryan
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Harutyunyan, V.A., Hayrapetyan, D.B. & Kazaryan, E.M. Interband Absorption and Photoluminescence in the Cylindrical Layered CdS/HgS/CdS Heterostructure. J. Contemp. Phys. 53, 48–57 (2018). https://doi.org/10.3103/S1068337218010061

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  • DOI: https://doi.org/10.3103/S1068337218010061

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