The impact of the electric field on the photoionization cross section, polarizability, and donor impurity binding energy in multilayered spherical quantum dot

A Fakkahi, M Jaouane, K Limame, A Sali, M Kirak… - Applied Physics A, 2023 - Springer
In the present paper, we look at how the applied electric field (EF) and structure sizes affect
the shallow donor impurity binding energy (E b), polarizability (P α) and photoionization …

The third-order nonlinear optical susceptibility in an ellipsoidal core-shell quantum dot embedded in various dielectric surrounding matrices

A Ed-Dahmouny, N Zeiri, R Arraoui, N Es-Sbai… - Physica E: Low …, 2023 - Elsevier
The finite-element method (FEM) and the effective-mass approximation (EMA) were used in
this study to evaluate the energy eigenvalues and describe the third-order susceptibility for …

The nonlinear optical rectification and second harmonic generation of a single electron confined in a multilayer spherical quantum dot

A Fakkahi, M Kirak, M Jaouane, A Sali… - Optical and Quantum …, 2023 - Springer
In the present paper, we have performed a theoretical investigation of the influence of the
Kratzer potential on the nonlinear optical rectification coefficient and the second harmonic …

Finite element analysis of multilayered spherical quantum dots: Effects of layer dimensions, alloy composition, and relaxation time on the linear and nonlinear optical …

A Fakkahi, S Dahiya, M Jaouane… - Physica B: Condensed …, 2024 - Elsevier
This study delves into the optical characteristics of multilayered spherical quantum dots
(MLSQDs). By employing the finite element method, we systematically explore the impact of …

Intrasubband-related linear and nonlinear optical absorption in single, double and triple QW: the compositions, temperature and QW's number effects

R En-nadir, H El-ghazi, W Belaid, M Tihtih… - Philosophical …, 2023 - Taylor & Francis
This paper exhibits a numerical simulation study of the 1s→ 2p ISB-related linear and
nonlinear optical absorption in single, double, and triple QWs considering the effects of the …

[HTML][HTML] Optical absorption coefficients of a single electron in a multilayer spherical quantum dot with a Kratzer-like confinement potential

A Fakkahi, M Jaouane, M Kirak, R Khordad, A Sali… - Results in Optics, 2023 - Elsevier
The current study looks at how the Kratzer confinement potential affects the linear, third-
order nonlinear, and total optical absorption coefficients (ACs) of a single electron in a …

[HTML][HTML] Substrate temperature effect on the structural, morphological and optical properties of pyrolyzed bi-phase Cu2O–CuO thin films

PR Jubu, JD Fanafa, AB Atsuwe, C Mbakaan, Y Yusof… - Results in …, 2024 - Elsevier
Multiphase nanomaterials are fascinating due to the synergistic effect between the
crystalline phases that lead to improved device performance. Publications are available for …

Role of Rashba and Dresselhaus spin–orbit interactions on an off-center donor impurity in a Gaussian quantum dot

A Kachu, NR Chebrolu, A Boda - Journal of Magnetism and Magnetic …, 2024 - Elsevier
Abstract The Rashba and Dresselhaus spin–orbit interactions (SOIs) and the magnetic field
effects on off-center hydrogen donor impurity D 0 in a two-dimensional Gaussian GaAs …

Investigation of electronic structure of a lithium atom confined by a finite spherical cavity

A Özmen, B Çakır, C Demir, Y Yakar - Physica B: Condensed Matter, 2023 - Elsevier
In this study, we have calculated the average energies of the ground and excited
configurations of a lithium atom enclosed by a spherical potential well with finite barrier …

Central-cell corrections for hydrogenic, silicon (Si), selenium (Se), sulfur (S), and germanium (Ge) donor impurities and pressure–temperature effects on the optical …

A Fakkahi, P Başer, M Jaouane, A Sali… - Physica B: Condensed …, 2024 - Elsevier
GaAs/GaAlAs quantum dots can be doped with various impurities to modify their
optoelectronic properties. Common impurities used for do** include: Hydrogenic impurity …