Internal polarization electric field effects on the efficiency of InN/InxGa1-xN multiple quantum dot solar cells

A El Aouami, M Bikerouin, M El-Yadri, E Feddi… - Solar energy, 2020 - Elsevier
In this work, we investigate the influence of the internal electric field induced by the
polarization inside the active region of the pin photodiode on the characteristics of InN/In x …

On the anomalous Stark effect in a thin disc-shaped quantum dot

A Oukerroum, E Feddi, JB Bailach… - Journal of Physics …, 2010 - iopscience.iop.org
The effect of a lateral external electric field F on an exciton ground state in an InAs disc-
shaped quantum dot has been studied using a variational method within the effective mass …

Control of the binding energy by tuning the single dopant position, magnetic field strength and shell thickness in ZnS/CdSe core/shell quantum dot

A Talbi, E Feddi, A Zouitine, M El Haouari… - Physica E: Low …, 2016 - Elsevier
Recently, the new tunable optoelectronic devices associated to the inclusion of the single
dopant are in continuous emergence. Combined to other effects such as magnetic field …

Binding energy of excitons in inhomogeneous quantum dots under uniform electric field

J El Khamkhami, E Feddi, E Assaid, F Dujardin… - Physica E: Low …, 2002 - Elsevier
Excitons in inhomogenous quantum nanospheres have been theoretically studied within the
effective mass approximation. An infinite deep potential has been used to describe the …

Excitonic nonlinear optical properties in AlN/GaN spherical core/shell quantum dots under pressure

N Aghoutane, M El-Yadri, A El Aouami, E Feddi… - MRS …, 2019 - cambridge.org
This work is based on a recent theoretical study of how the hydrostatic pressure and
core/shell sizes affect the optical properties associated with the transition from the ground …

Interplay between normal and abnormal stark shift according to the quantum dot spherical core/shell size ratio

A Talbi, E Haouari, E Feddi, F Dujardin… - Philosophical …, 2018 - Taylor & Francis
The effect of an applied external electric field on the binding energy of a donor impurity
confined in a core/shell quantum dot is investigated taking into account the polarisation, self …

Magnetic field and dielectric environment effects on an exciton trapped by an ionized donor in a spherical quantum dot

N Aghoutane, E Feddi, M El-Yadri, JB Bailach… - Superlattices and …, 2017 - Elsevier
Magnetic field and host dielectric environment effects on the binding energy of an exciton
trapped by an ionized donor in spherical quantum dot are investigated. In the framework of …

Pressure effect on an exciton in a wurtzite AlN/GaN/AlN spherical core/shell quantum dot

N Aghoutane, M El-Yadri, E Feddi, F Dujardin… - MRS …, 2018 - cambridge.org
We have studied the effect of hydrostatic pressure on the confined exciton in a spherical
core–shell quantum dot. Using a simple variational approach under the framework of …

Binding energy of excitons in an infinitely deep spherical quantum dot under intense THz laser field

A Ouadgui, J Diouri, J Khamkhami - Pramana, 2020 - Springer
We study the effects of intense THz laser field on the ground-state binding energy of heavy
hole excitons confined in GaAs spherical quantum dots. The calculation is performed using …

Binding Energy of an Off-Center Shallow Donor Impurity in Wedge-Shaped Quantum Dot Under Electric Field Effect

M Chnafi, O Mommadi, S Chouef, R Boussetta… - … and Renewable Energy …, 2022 - Springer
In the present work, we have investigated the influence of the axial electric field on an
electron-donor atom confined in a GaAs wedge-shaped quantum dot. To this end, we used …