Simultaneous effects of Rashba, magnetic field and impurity on the magnetization and magnetic susceptibility of a GaAs-semiconductor quantum ring

AA Ali, A Shaer, M Elsaid - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
The magnetization and magnetic susceptibility of GaAs/AlGaAs quantum ring (QR) with the
presence of Rashba spin-orbit interaction and acceptor Gaussian impurity have been …

Magnetocaloric effect, magnetic susceptibility, heat capacity and optical properties of wedge-shaped quantum dots

A Sayyari, M Servatkhah, R Pourmand - Pramana, 2023 - Springer
In this work, a GaAs wedge-shaped quantum dot (WSQD) is considered. In the first step, we
theoretically investigated the magnetocaloric effect, magnetic susceptibility and heat …

Confinement shape effects on binding energy, transition energy, and oscillator strength of a D0 impurity in a quantum dot in the presence of spin-orbit interactions

A Kachu, A Boda - Physica E: Low-dimensional Systems and …, 2024 - Elsevier
In this research paper, we investigate the impact of the confinement nature on a neutral
hydrogenic donor impurity (D 0) in a quantum dot (QD). To investigate the system, we …

Role of confinement shape and spin-orbit interactions on binding energy, temperature, transition energy, susceptibility and oscillator strength of an off-center D0 …

A Kachu, S Vemula, NR Chebrolu, A Boda - Physica B: Condensed Matter, 2024 - Elsevier
This study explores the influence of confinement potential shape on the behavior of an off-
center D 0 impurity in a quantum dot (QD). In this study, we use the power exponential …

Rashba spin-orbit interaction effects on thermal and magnetic properties of parabolic GaAs quantum dot in the presence of donor impurity under external electric and …

MK Elsaid, AA Alia, A Shaer - Chinese Journal of Physics, 2020 - Elsevier
Based on the effective mass approximation, the magnetic and thermal properties of
parabolic GaAs quantum dot have been investigated in the presence of Rashba Spin-Orbit …

Confnement shape effect on D0 impurity in a GaAs quantum dot with spin-orbit coupling in a magnetic field

P Saini, A Chatterjee - Superlattices and Microstructures, 2020 - Elsevier
The role of the nature of confinement on a neutral hydrogenic donor impurity in a quantum
dot is studied using a power-exponential potential in the presence of Rashba and …

Influence of spatial extension of impurity on the nonlinear optical properties of doped GaAs quantum dot in presence of noise

B Bhakti, S Datta, M Ghosh - Modern Physics Letters B, 2024 - World Scientific
This work examines the role of spatial impurity extension (SIE) on a few nonlinear optical
(NLO) properties of impurity-doped GaAs quantum dot (QD). The NLO properties considered …

Spin-orbit interaction effects on a D− complex in a GaAs quantum dot in a magnetic field

P Saini, A Boda, A Chatterjee - Micro and Nanostructures, 2023 - Elsevier
The spin-orbit interaction effects on the energetics of a negative donor centre localized in a
3D Gaussian GaAs quantum dot placed in a magnetic field are studied variationally by using …

Spin-orbit interaction effect on a hydrogenic D0 centre in a three-dimensional asymmetric Gaussian GaAs quantum dot in a magnetic field

P Saini, S Mukhopadhyay, A Chatterjee - Physica B: Condensed Matter, 2023 - Elsevier
The binding energy of a hydrogenic neutral D 0 complex situated in a three-dimensional
asymmetric Gaussian GaAs quantum dot is studied incorporating the Rashba and …

Magnetic field-Induced magnetization and magnetic susceptibility for neutral donor impurity in cylindrical quantum dot

SA Safwan, N El Meshad, AS Asmaa… - Journal of Magnetism and …, 2025 - Elsevier
The effects of external magnetic field and temperature on the magnetization and magnetic
susceptibility (χ) of a neutral donor impurity in a parabolic GaAs (gallium arsenide) quantum …