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This research explores the electronic properties of quantum rings with square and rectangular cross-sections under the influence of an electric field, focusing on the energy and impurity electron binding energy due to donor impurities. Employing the 3D finite difference method, we investigate the effects of the donor impurity’s position within the quantum ring, considering variations in width and length. Our study highlights the modulation of electronic energy levels and binding energies by geometric parameters and electric fields, showcasing the intricate interplay between quantum confinement and electrostatic interactions. The findings offer valuable insights into the design and optimization of quantum devices, contributing to the advancement of nanotechnology and quantum physics.

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Influence of Electric Fields and Donor Impurity on the Electronic Properties of Quantum Rings: A Finite Difference Approach

  • 会议论文

  • 发表日期：

    2025年

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  • Reda Boussetta,
  • Omar Mommadi,
  • Abdelaaziz El Moussaouy,
  • Carlos Alberto Duque,
  • Abdelhamid Kerkour El-Miad

摘要

This research explores the electronic properties of quantum rings with square and rectangular cross-sections under the influence of an electric field, focusing on the energy and impurity electron binding energy due to donor impurities. Employing the 3D finite difference method, we investigate the effects of the donor impurity’s position within the quantum ring, considering variations in width and length. Our study highlights the modulation of electronic energy levels and binding energies by geometric parameters and electric fields, showcasing the intricate interplay between quantum confinement and electrostatic interactions. The findings offer valuable insights into the design and optimization of quantum devices, contributing to the advancement of nanotechnology and quantum physics.