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Modeling of the energy spectrum of the CdTe/Hg1-x Cd x Te/CdTe quantum well by varying the band offset, well width, and composition x

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Abstract

Currently, CdTe/Cd x Hg1-x Te/CdTe heterostructures attract particular interest and are very promising for developing the next-generation terahertz radiation detectors. However, properties of such structures have not yet been studied in sufficient detail. The energy spectrum and wave functions of the CdTe/Cd x Hg1-x Te/CdTe heterostructure were theoretically modeled for various well widths, the valence band offset, and composition x in the range 0<x<0.16. Characteristic features of the behavior of energy levels of two-dimensional electrons in such structures were studied with respect to x variation. A criterion for determining the number of electronic levels below the conduction band bottom, applicable to compositions 0<x<0.16 was obtained. The time of two-dimensional electron relaxation by longitudinal optical phonons was calculated.

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Authors and Affiliations

  1. Lashkarev Institute of Semiconductor Physics, National Academy of Sciences, pr. Nauki 41, Kyiv, 03028, Ukraine

    E. A. Melezhik & Zh. V. Gumenyuk-Sychevskaya

Authors
  1. E. A. Melezhik
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  2. Zh. V. Gumenyuk-Sychevskaya
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Corresponding author

Correspondence to E. A. Melezhik.

Additional information

Original Russian Text © E.A. Melezhik, Zh.V. Gumenyuk-Sychevskaya, 2010, published in Kratkie Soobshcheniya po Fizike, 2010, Vol. 37, No. 1, pp. 11–14.

Presented at the Third All-Russian Youth School-Seminar “Innovative Aspects of Basic Research on Urgent Problems of Physics”, Moscow, Lebedev Physical Institute, October, 2009.

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Melezhik, E.A., Gumenyuk-Sychevskaya, Z.V. Modeling of the energy spectrum of the CdTe/Hg1-x Cd x Te/CdTe quantum well by varying the band offset, well width, and composition x . Bull. Lebedev Phys. Inst. 37, 6–7 (2010). https://doi.org/10.3103/S1068335610010033

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  • DOI: https://doi.org/10.3103/S1068335610010033

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