Exploring the electronic properties of shallow donor impurities in modified ∩-shaped potential: effects of applied electric field, parabolicity, compositions, and thickness

Redouane En-nadir (), Haddou El Ghazi, Mohammed Tihtih, Shrouk E. Zaki, Walid Belaid, Ibrahim Maouhoubi and Izeddine Zorkani
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Redouane En-nadir: University of Sidi Mohamed Ben Abdullah
Haddou El Ghazi: University of Sidi Mohamed Ben Abdullah
Mohammed Tihtih: University of Miskolc
Shrouk E. Zaki: Sélçuk University
Walid Belaid: University of Sidi Mohamed Ben Abdullah
Ibrahim Maouhoubi: University of Sidi Mohamed Ben Abdullah
Izeddine Zorkani: University of Sidi Mohamed Ben Abdullah

The European Physical Journal B: Condensed Matter and Complex Systems, 2023, vol. 96, issue 6, 1-12

Abstract: Abstract In this paper, we employed numerical modeling to investigate the influence of crucial parameters, namely electric field, confinement parabolicity, compositions, and structure parameters, on the electron probability, impurity polarizability, diamagnetic susceptibility, and ionization energy of hydrogenic donor impurities within a modified ∩-shaped potential. The Schrödinger equation is solved using the finite element approach within the framework of the effective mass theory to analyze the resulting electronic properties. Our results demonstrate a significant impact of these factors on both electrons and impurities, with the ability to fine-tune these properties through parameter adjustments. These findings hold significant implications for the advancement of precise and efficient III-nitride-based optoelectronic devices, including solar cells, photodetectors, and lasers. Graphical abstract Effect of Applied Vertical Electric Field on Electron Probability Density in Inverted Parabolic Quantum Well with Varying Degrees of Confinement

Date: 2023
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DOI: 10.1140/epjb/s10051-023-00539-6

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