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 …

The multilayered spherical quantum dot under a magnetic field

FK Boz, S Aktas, A Bilekkaya, SE Okan - Applied Surface Science, 2010 - Elsevier
The binding energy of an impurity located at the center of multilayered spherical quantum
dot (MSQD) is reported as a function of the dot and barrier thickness for different alloy …

Energy levels of GaAs/AlxGa1-xAs/AlAs spherical quantum dot with an impurity

FK Boz, B Nisanci, S Aktas, SE Okan - Applied Surface Science, 2016 - Elsevier
We have calculated the energy levels and the radial probability distributions of an electron
with an impurity in a spherical quantum dot which is layered as GaAs/Al x Ga 1-x As/AlAs …

The binding energy of hydrogenic impurity in multilayered spherical quantum dot

S Aktas, FK Boz - Physica E: Low-dimensional Systems and …, 2008 - Elsevier
The binding energy of a hydrogenic impurity of a multilayered spherical GaAs-(Ga, Al) As
quantum dot has been investigated as a function of the barrier thickness and the inner dot …

Binding energy and diamagnetic susceptibility of an on-center hydrogenic donor impurity in a spherical quantum dot placed at the center of a cylindrical nano-wire

G Safarpour, M Barati, M Moradi, S Davatolhagh… - Superlattices and …, 2012 - Elsevier
The binding energy and diamagnetic susceptibility of an on-center hydrogenic donor
impurity in an InAs spherical quantum dot placed at the center of a GaAs cylindrical nano …

Electric field and shape effect on the linear and nonlinear optical properties of multi-shell ellipsoidal quantum dots

L Shi, ZW Yan - Superlattices and Microstructures, 2016 - Elsevier
In the present work, the optical properties of GaAs/Al x Ga 1− x As/GaAs multi-shell
ellipsoidal quantum dot heterostructures with a shallow hydrogenic impurity in the presence …

Simultaneous effects of electric field, shallow donor impurity and geometric shape on the electronic states in ellipsoidal ZnS/CdSe core-shell quantum dots

M Cristea - Physica E: Low-Dimensional Systems and …, 2018 - Elsevier
Within the effective mass approximation the Schrodinger equation is solved by the finite
element method for ellipsoidal ZnS/CdSe core-shell quantum dot. The effects induced by the …

Spatial separation effect on the energies of uncorrelated and correlated electron-hole pair in CdSe/ZnS and InAs/InP core/shell spherical quantum dots

A Zouitine, A Ibral, E Assaid, F Dujardin… - Superlattices and …, 2017 - Elsevier
The control of charge carriers states in coated semiconductors quantum dots constitute a
challenge to achieve a new range of tunable optoelectronic devices. The purpose of this …

Spatial electric field effect on the self-polarization in GaAs/AlAs square quantum-well wires

O Akankan, I Erdogan, H Akbas - Physica E: Low-dimensional Systems and …, 2006 - Elsevier
In the presence of a spatial electric field the ground-state energy and self-polarization (SPE)
of hydrogenic impurity in infinite square quantum-well wire is calculated, where the spatial …

Nonlinear optical rectification of hydrogenic impurity in a disk-like parabolic quantum dot: the role of applied magnetic field

S Shojaei, AS Vala - Physica E: Low-dimensional Systems and …, 2015 - Elsevier
We report a detailed theoretical study of the effect of combined electric and magnetic field on
the nonlinear optical rectification of a hydrogenic impurity, confined in a two dimensional …