Impurity position effect on optical properties of various quantum dots

R Khordad, H Bahramiyan - Physica E: Low-dimensional Systems and …, 2015 - Elsevier
In this work, we have investigated the effect of impurity position on optical properties of a
pyramid and a cone like quantum dot. For this goal, we first obtain the energy levels and …

Simultaneous effects of temperature, pressure, polaronic mass, and conduction band non-parabolicity on a single dopant in conical GaAs-Al x Ga1–x As quantum dots

E Iqraoun, A Sali, K El-Bakkari, A Ezzarfi… - Physica …, 2021 - iopscience.iop.org
This paper is devoted to the theoretical study of the simultaneous effects of temperature,
hydrostatic pressure, conduction band non-parabolicity, and polaronic mass on the …

Ground-state shallow-donor binding energy in (In, Ga) N/GaN double QWs under temperature, size, and the impurity position effects

R En-Nadir, H El Ghazi, A Jorio… - Journal of Modeling and …, 2021 - journals.aijr.org
In this paper, we study the hydrogen-like donor-impurity binding energy of the ground-state
change as a function of the well width under the effect of temperature, size, and impurity …

Electric field and impurity effect on nonlinear optical rectification of a double cone like quantum dot

H Bahramiyan - Optical Materials, 2018 - Elsevier
In this work, we have investigated the effect of electric field and impurity position on
nonlinear optical rectification of a double cone like quantum dot in the effective mass …

Study of impurity position effect in pyramid and cone like quantum dots

R Khordad, H Bahramiyan - The European Physical Journal Applied …, 2014 - epjap.org
In the present work, we have studied the effect of impurity position on energy levels, the
donor binding energy and third harmonic generation of a pyramid and a cone like quantum …

Influence of impurity binding energy on the excitation dynamics of doped GaAs quantum dot: Role of noise

S Datta, M Ghosh - Journal of Chemical Sciences, 2023 - Springer
The study rigorously analyzes the time-average excitation rate (TAER) of impurity doped
GaAs quantum dot as a function of the binding energy (BE) of the system and under the …

The role of Rashba spin-orbit interaction and external fields in the thermal properties of a doped quantum dot with Gaussian impurity

P Hosseinpour - Physica B: Condensed Matter, 2020 - Elsevier
Thermodynamic quantities such as internal energy, heat capacity, and entropy are
calculated for doped quantum dot by taking into account the Rashba spin-orbit coupling. It is …

Magnetic properties of GaAs parabolic quantum dot in the presence of donor impurity under the influence of external tilted electric and magnetic fields

AA Alia, MK Elsaid, A Shaer - Journal of Taibah University for …, 2019 - Taylor & Francis
The dependence of the magnetization and magnetic susceptibility of donor impurity in
parabolic GaAs (Gallium Arsenide) quantum dot has been investigated, at finite temperature …

Pulsed field induced excitation in impurity doped quantum dot: Interplay with Gaussian white noise

S Datta, SM Arif, D Roy, M Ghosh - Physica B: Condensed Matter, 2022 - Elsevier
Current study strives to realizing the role of Gaussian white noise (GWN) and external
pulsed field (PF) on the time-average excitation rate (TAER) of impurity doped quantum dot …

Effect of impurity bound polaron on optical absorption in a GaAs modified Gaussian quantum dot

R Khordad - Optical and Quantum Electronics, 2016 - Springer
In the present work, the linear, third-order nonlinear and total optical absorption coefficients
of a GaAs modified Gaussian quantum dot is investigated theoretically with considering …