Effects of the size and applied electric field on the photoionization cross-section of elliptical cylindrical CdS/ZnS core-shell quantum dots immersed in various dielectric …

N Zeiri, P Baser, HD Jahromi, N Yahyaoui… - Optics & Laser …, 2025 - Elsevier
In this study, the effects of the electric field in different directions on hydrogenic donor
impurity (HDI) confined to a CdS/ZnS elliptical core/shell cylindrical quantum dot (ECSCQD) …

Effect of electric field on photoionisation cross-section of impurity in multilayered quantum dot

V Holovatsky, M Chubrey, O Voitsekhivska - Superlattices and …, 2020 - Elsevier
The electron-impurity binding energy and photoionization cross-section of hydrogenic
impurity are studied in spherical multilayered quantum dot Al x Ga 1-x As/GaAs/Al y Ga 1-y …

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 …

[HTML][HTML] Mollow triplet in Two-Impurity dumbbell quantum dot

NY Yengibaryan, GV Khachatryan, GA Mantashian… - Results in Physics, 2024 - Elsevier
The current study uses various computational methods to determine the eigenvalues and
eigenvectors of a specific system—namely, a two-impurity, two-electron system within a …

Two-dimensional pair-interacting hole gas thermodynamics: Exactly solvable Moshinsky model for lens-shaped quantum dots

MA Mkrtchyan, YS Mamasakhlisov, DB Hayrapetyan… - Heliyon, 2024 - cell.com
The thermodynamic characteristics of a pair-interacting hole gas localized in a Ge/Si lens-
shaped quantum dot are studied. The pair-interaction potential is modeled by the oscillator …

Electronic and optical properties of CdSe/ZnSe core/shell QDs within centered hydrogenic impurity and their tunability when subjected to an external electric field

A Jbeli, N Zeiri, N Yahyaoui, P Baser, M Said - Physica B: Condensed …, 2024 - Elsevier
The electronic and optical properties of CdSe/ZnSe semiconductor core/shell quantum dots
with hydrogenic donor impurity were investigated theoretically. The perturbation approach …

Hydrogen-like donor impurity states in strongly prolate ellipsoidal quantum dot

DB Hayrapetyan - Physica E: Low-dimensional Systems and …, 2023 - Elsevier
In the current article, the binding energy and impurity-related photoionization cross-section
are investigated for the case of an infinite confinement potential well model using a …

One-and few-particle optics of the valence band in lens-shaped Ge/Si quantum dots

MA Mkrtchyan, DB Hayrapetyan, EM Kazaryan… - Physica E: Low …, 2023 - Elsevier
The theoretical investigation of one-and few-particle states in asymmetric biconvex lens-
shaped Ge/Si quantum dot have been considered. Heavy hole transitions in considered …

Realization of the Kohn's theorem in Ge/Si quantum dots with hole gas: Theory and experiment

HA Sarkisyan, DB Hayrapetyan, LS Petrosyan… - Nanomaterials, 2019 - mdpi.com
This article discusses specific quantum transitions in a few-particle hole gas, localized in a
strongly oblate lens-shaped quantum dot. Based on the adiabatic method, the possibility of …

Impurity effects on binding energy, diamagnetic susceptibility and photoionization cross-section of chalcopyrite AgInSe2 Nanotadpole

GA Mantashian, DB Hayrapetyan - Journal of Physics …, 2022 - iopscience.iop.org
Recently the interest in chalcopyrite semiconductor nanostructures has increased because
of their non-toxicity and their wide direct bandgap. Likewise, structures with non-trivial …