Photoionization cross section of donor single dopant in multilayer quantum dots under pressure and temperature effects

M Jaouane, A Sali, A Fakkahi, R Arraoui… - Physica E: Low …, 2022 - Elsevier
The shallow donor single dopant confined in the multilayer cylindrical quantum dots is
investigated numerically within the framework of effective-mass approximation. The …

Photoionization cross section and intersublevel transitions in a one-and two-electron spherical quantum dot with a hydrogenic impurity

M Şahin - Physical Review B—Condensed Matter and Materials …, 2008 - APS
A detailed investigation of the optical properties of a spherical quantum dot (QD) containing
one and two electrons has been performed for cases with and without a hydrogenic impurity …

Study of hydrostatic pressure, electric and magnetic fields effects on the donor binding energy in multilayer cylindrical quantum dots

M Jaouane, A Sali, A Ezzarfi, A Fakkahi… - Physica E: Low …, 2021 - Elsevier
The current paper provides a theoretical study of the binding energy of an off-center donor
impurity in wurtzite I n G a N/G a N multilayer cylindrical quantum dots (MCQDs). The …

Study of photoionization cross section and binding energy of shallow donor impurity in multilayered spherical quantum dot

A Fakkahi, A Sali, M Jaouane, R Arraoui… - Physica E: Low …, 2022 - Elsevier
In the framework of the effective mass approximation and by using the finite element method,
we have studied the simultaneous effects of position dependent effective mass (PDEM) and …

Polaronic mass and non-parabolicity effects on the photoionization cross section of an impurity in a double quantum dot

R Arraoui, A Sali, A Ed-Dahmouny, M Jaouane… - Superlattices and …, 2021 - Elsevier
This manuscript focused on the effect of the non-parabolicity and the polaronic mass on the
optical and electronic properties in the G a A s− G a 1− x A lx A s symmetrical double …

Effect of impurity position and electric field on the optical absorption coefficients and oscillator strength in spherical multilayer quantum dot

A Fakkahi, M Kirak, A Sali - The European Physical Journal Plus, 2022 - Springer
In this paper, in the effective mass approximation, we have investigated the effects of the
impurity position, external electric field, and the structure sizes on the linear, third-order …

Pressure and temperature influences on the nonlinear optical rectification of an impurity in a symmetrical double quantum dot

R Arraoui, K El-Bakkari, K Limame… - The European Physical …, 2023 - Springer
This work presented a study of nonlinear optical rectification (NOR) in a double quantum dot
(DQD) made of GaAs/Ga 1-η Al η As under the influence of pressure (P) and temperature (T) …

Pressure, temperature and electric field effects on the photoionization cross section in a multilayered spherical quantum dot

A Fakkahi, H Dakhlaoui, A Sali, M Jaouane… - … Physical Journal Plus, 2022 - epjplus.epj.org
In this paper, within the effective mass approximation and by using the finite element
method, we have studied the photoionization cross section (PCS) and the binding energy of …

Donor-impurity related binding energy and photoinization cross-section in quantum dots: electric and magnetic fields and hydrostatic pressure effects

MG Barseghyan, AA Kirakosyan, CA Duque - The European Physical …, 2009 - Springer
We have studied the behavior of the binding energy and photoionization cross-section of a
donor-impurity in cylindrical-shape GaAs-Ga 0.7 Al 0.3 As quantum dots, under the effects of …

Finite element method simulation of electronic and optical properties in multi-InAs/GaAs quantum dots

M Jaouane, R Arraoui, A Ed-Dahmouny… - The European Physical …, 2024 - Springer
The Schrödinger equation, which describes the behaviour of an electron with a single
dopant inside the system, has been constructed. It is composed of three InAs cubic quantum …