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Spin–orbit interaction effects in ZnO/ZnS core–shell and ZnS/ZnO inverted core–shell quantum dots

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Abstract

Rashba and Dresselhaus spin–orbit interactions (SOIs), external fields and dielectric environment effects on hydrogenic impurity states in core–shell (ZnO/ZnS) and inverted core–shell (ZnS/ZnO) quantum dots were studied. We employed the finite difference method to achieve energy eigenvalues of the system. Our results demonstrate that SOIs, external fields and dielectric environment change drastically the impurity states. Besides, the spin degeneracy is removed when both the SOIs and the Zeeman effect are simultaneously considered.

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Authors and Affiliations

  1. Department of Physics, College of Sciences, Yasouj University, Yasouj, 75914-353, Iran

    Hamid Reza Esmaeili, Behrooz Vaseghi & Ghasem Rezaei

Authors
  1. Hamid Reza Esmaeili
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  2. Behrooz Vaseghi
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  3. Ghasem Rezaei
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Correspondence to Behrooz Vaseghi.

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Esmaeili, H.R., Vaseghi, B. & Rezaei, G. Spin–orbit interaction effects in ZnO/ZnS core–shell and ZnS/ZnO inverted core–shell quantum dots. Eur. Phys. J. B 91, 284 (2018). https://doi.org/10.1140/epjb/e2018-90429-5

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  • DOI: https://doi.org/10.1140/epjb/e2018-90429-5

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