Signature of linear-in- Dresselhaus splitting in the spin relaxation of -valley electrons in indirect band gap AlGaAs

P Mudi, SK Khamari, J Bhattacharya, A Chakrabarti… - Physical Review B, 2021 - APS
The GaAs/AlGaAs quantum well (QW) system is utilized to investigate the electron spin
relaxation in the satellite X valley of indirect band gap Al 0.63 Ga 0.37 As epitaxial layers …

Electron spin relaxation in X-valley of indirect bandgap AlxGa1-xAs: A new horizon for the realization of next generation spin-photonic devices

P Mudi, SK Khamari, J Bhattacharya… - arXiv preprint arXiv …, 2021 - arxiv.org
GaAs/AlGaAs quantum well (QW) system is utilized to investigate the electron spin
relaxation in the satellite X-valley of indirect band gap Al0. 63Ga0. 37As epitaxial layers …

Contribution of inter-valley scattering in governing the steady state optical spin orientation in Al x Ga1− x As

P Mudi, SK Khamari, TK Sharma - Journal of Physics D: Applied …, 2021 - iopscience.iop.org
The impact of inter-valley scattering in modifying the density of optically injected spin
polarized electrons in Al x Ga 1− x As/GaAs heterostructure is investigated. Polarization …

Detection of optically injected spin polarized electrons in the L-valley of AlGaAs through polarization resolved photoluminescence excitation spectroscopy

SK Khamari, P Mudi, S Porwal, TK Sharma - Journal of Luminescence, 2019 - Elsevier
GaAs/AlGaAs multi quantum well (QW) architecture is employed to study the optical injection
of spin polarized electrons in Al 0.22 Ga 0.78 As material over the excitation energy range of …

[HTML][HTML] Study of electron spin relaxation time in GaAs (110) quantum wells

L Linsheng, L Su, W Wenxin, Z Hongming… - Journal of …, 2007 - jos.ac.cn
GaAs/AlGaAs (110) multiple quantum wells (MQWs) were grown by solid source molecular
beam epitaxy (MBE) with a valved arsenic cracker cell. The optical properties of the …

Multivalley spin relaxation in -type bulk GaAs in the presence of high electric fields

H Tong, MW Wu - Physical Review B—Condensed Matter and Materials …, 2012 - APS
Multivalley spin relaxation in n-type bulk GaAs in the presence of high electric field is
investigated from the microscopic kinetic spin Bloch equation approach with the Γ and L …

Effect of electric current on the optical orientation of interface electrons in AlGaAs/GaAs heterostructures

OS Ken, EA Zhukov, IA Akimov, VL Korenev… - Physical Review B, 2020 - APS
The effect of a lateral electric current on the photoluminescence H band of an AlGaAs/GaAs
heterostructure is investigated. The photoluminescence intensity and optical orientation of …

Recombination and spin dynamics of excitons in thin (Ga, Al)(Sb, As)/AlAs quantum wells with an indirect band gap and type-I band alignment

TS Shamirzaev, DR Yakovlev, AK Bakarov… - Physical Review B, 2020 - APS
The dynamics of exciton recombination and spin relaxation in thin (Ga, Al)(Sb, As)/AlAs
quantum wells (QWs) with indirect band gap are studied. The band alignment in these QWs …

Electric field dependence of the spin relaxation anisotropy in (111) GaAs/AlGaAs quantum wells

A Balocchi, T Amand, G Wang, BL Liu… - New Journal of …, 2013 - iopscience.iop.org
Time-resolved optical spectroscopy experiments in (111)-oriented GaAs/AlGaAs quantum
wells (QWs) show a strong electric field dependence of the conduction electron spin …

Sequential lattice relaxation model within the double configuration coordinate for the DX center in AlGaAs

Y Mochizuki, M Mizuta… - Japanese journal of …, 1990 - iopscience.iop.org
We propose a new model for the DX center in Al x Ga 1-x As, for which symmetry-conserving
lattice relaxation (breathing distortion) is followed by successive symmetry-lowering lattice …