2023
DOI: 10.4028/p-ndb2ml
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Tuning the Diamagnetic Susceptibility and Electron Average Position in a GaAs Hemi-Spherical Quantum Dot with an Off-Center Donor Atom

O. Mommadi,
Reda Boussetta,
Soufiane Chouef
et al.

Abstract: The Langevin theory of diamagnetism is used to examine the effects of geometric confinement and hydrogenic impurity location on the diamagnetic susceptibility in a GaAs hemispherical quantum dot with an infinite confinement potential considered as vacuum. Using the finite difference approach and the effective mass approximation, the electron-donor Schrödinger equations are derived. As a function of the size of the hemi-spherical quantum dot, the mean value of the electron location and electron to ionized donor… Show more

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