Electronic properties and hydrogenic impurity binding energy of a new variant quantum dot

L Belamkadem, O Mommadi, JA Vinasco… - Physica E: Low …, 2021 - Elsevier
In this work, we have studied the electronic states with and without a donor impurity
positioned on the first rectangular-shaped surface (θ= 0°) of the new variant quantum dot …

The effects of the hydrostatic pressure and temperature on binding energy and optical properties of a donor impurity in a spherical quantum dot under external electric …

M Kirak, Y Altinok, S Yilmaz - Journal of Luminescence, 2013 - Elsevier
The effects of the hydrostatic pressure and temperature on the electronic and the linear and
nonlinear optical properties (ie, absorption coefficients and refractive indices) are …

Effect of the electric field orientation on Stark shift, dipole moment and electronic properties in a circular toroidal quantum ring: Presence of shallow donor impurity

R Boussetta, O Mommadi, A El Moussaouy… - Physica B: Condensed …, 2024 - Elsevier
This research investigates the influence of electric field orientation on the physical properties
of a Gallium Arsenide (GaAs) Circular Toroidal Quantum Ring (CTQR) in the presence of …

Donor impurity-related photoionization cross section in GaAs cone-like quantum dots under applied electric field

E Iqraoun, A Sali, A Rezzouk, E Feddi… - Philosophical …, 2017 - Taylor & Francis
The donor impurity-related electron states in GaAs cone-like quantum dots under the
influence of an externally applied static electric field are theoretically investigated …

Photoionization cross-section and polarizability of impurity in CdS/ZnS core/shell quantum dots capped in a dielectric matrix

N Zeiri, A Cherni, N Yahyaoui, P Baser, M Said… - Solid State …, 2023 - Elsevier
Using the effective mass approximation (EMA), we have performed theoretically the
influence of the capped matrix, the geometrical parameters and the applied electric intensity …

Hydrostatic pressure and temperature dependence of dielectric mismatch effect on the impurity binding energy in a spherical quantum dot

A Sivakami, V Gayathri - Superlattices and Microstructures, 2013 - Elsevier
Hydrostatic pressure, temperature and dielectric mismatch effects on the hydrogenic donor
impurity binding energies of the low-lying states in a GaAs/AlxGa1− xAs spherical quantum …

Stark shift of binding energy for on and off-center donor impurities in quantum rings under the influence of charged rods electric fields

M Solaimani - Solid State Sciences, 2020 - Elsevier
In the present work, we study the stark shift of binding energy for a Hydrogenic donor
impurity confined within a circular quantum ring composed from three different …

Photovoltaic conversion efficiency of InN/InxGa1-xN quantum dot intermediate band solar cells

NB Afkir, E Feddi, F Dujardin, M Zazoui… - Physica B: Condensed …, 2018 - Elsevier
Abstract The behavior of InN/In x Ga 1-x N spherical quantum dots solar cell is investigated,
considering the internal electric field induced by the polarization of the junction. In order to …

Impurity-related photoionization cross section in a pyramid-shaped quantum dot: Intense laser field and hydrostatic pressure effects

EC Niculescu - Physica E: Low-dimensional Systems and …, 2014 - Elsevier
Within the effective mass approximation the binding energy and photoionization cross
section of a donor impurity in a pyramid shaped quantum dot under simultaneous action of …

[HTML][HTML] Tuning of binding energy, polarizability and photoionization cross-section of a hydrogenic impurity in CdTe/ZnTe core-shell nanostructure by the electric field …

S Hértilli, N Yahyaoui, N Zeiri, P Baser, M Said… - Physics Letters A, 2023 - Elsevier
The current work describes in detail the effect of polarization charges on the electronic
properties of core/shell spherical quantum dots (CSQDs) structures composed of CdTe/ZnTe …