Stark shift and exciton binding energy in parabolic quantum dots: hydrostatic pressure, temperature, and electric field effects

O Mommadi, A El Moussaouy, M El Hadi… - Philosophical …, 2021 - Taylor & Francis
The temperature, hydrostatic pressure, and external electric field effects on the confined
exciton in cylindrical quantum dots by considering a parabolic confining potential are …

Influence of interface states on built-in electric field and diamagnetic-Landau energy shifts in asymmetric modulation-doped InGaAs/GaAs QWs

G Vashisht, S Porwal, S Haldar… - Journal of Physics D …, 2022 - iopscience.iop.org
The impact of interface defect states on the recombination and transport properties of
charges in asymmetric modulation-doped InGaAs/GaAs quantum wells (QWs) is …

Photovoltaic Response and Charge Redistribution Processes in GaAs/AlGaAs Multiple‐Quantum Wells Structure

S Haldar, S Kumar, R Roychowdhury… - physica status solidi …, 2020 - Wiley Online Library
The impact of radiative and non‐radiative processes on the photovoltaic response of
GaAs/AlGaAs multiple‐quantum wells is investigated by temperature, excitation power, and …

A parallel magnetic field driven confinement versus separation of charges in GaAs quantum well investigated by magneto-photovoltage and magneto …

S Haldar, A Banerjee, G Vashisht, S Porwal… - Journal of …, 2019 - Elsevier
Opto-electronic properties of excitons under parallel and perpendicular magnetic field are
investigated on various thickness of GaAs/AlGaAs quantum well. An analytical expression of …

Simultaneous magneto-electro-optical measurements in modulation-doped quantum well: An investigation on magneto-photoluminescence intensity oscillations

S Haldar, G Vashisht, S Porwal, TK Sharma… - Journal of Applied …, 2019 - pubs.aip.org
Quantum Hall and magneto-photoluminescence (magneto-PL) measurements are
simultaneously performed on a GaAs quantum well to establish a detailed correlation …