Combined effects of hydrostatic pressure and electric field on the donor binding energy, polarizability, and photoionization cross-section in double GaAs/GaAlAs …

A Ed-Dahmouny, A Sali, N Es-Sbai, R Arraoui… - The European Physical …, 2022 - Springer
The present work focuses on the theoretical calculations of the ground-state binding energy
of a shallow impurity, the impurity-related photoionization cross-section (PICS), and impurity …

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 …

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 …

Impurity photo-ionization cross section and stark shift of ground and two low-lying excited electron-states in a core/shell ellipsoidal quantum dot

A Ed-Dahmouny, N Zeiri, A Fakkahi, R Arraoui… - Chemical Physics …, 2023 - Elsevier
A new investigation on photo-ionization cross section (PICS) of a donor impurity confined in
a GaAs/AlGaAs core/shell elliptic quantum dots (CSEQDs) has been performed under …

Linear and nonlinear optical properties of CdSe/ZnTe core/shell nanostructures with screened modified Kratzer potential

M Jaouane, K El-Bakkari, EB Al, A Sali… - The European Physical …, 2023 - Springer
In this work, we have theoretically examined the linear, nonlinear and total refractive index
changes (RICs) and optical absorption coefficients (OACs) between the ground (1 s) and the …

The Photoionization Cross‐Section of Impurities in Quantum Dots

A Sali, H Satori, M Fliyou… - physica status solidi (b), 2002 - Wiley Online Library
In quantum dot structures, photoionization has been considered as an optical transition from
the impurity ground state to the conduction subbands. Using a variational approach, we …

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 …

Optical and electronic properties of a two-dimensional quantum dot with an impurity

T Chen, W **e, S Liang - Journal of luminescence, 2013 - Elsevier
The binding energy and photoionization cross-section (PCS) in a two-dimensional
pseudopotential, parabolic potential plus an inverse squared potential, quantum dot (QD) …