Magnetoabsorption and spin polarization inversion in GaAs/AlGaAs quantum wells

GM Jacobsen, V Lopes-Oliveira, V Laurindo Jr… - Physical Review B, 2024 - APS
The impact of the growth orientation on spin dynamics in GaAs/AlGaAs quantum wells
(QWs) is explored through magnetophotoluminescence measurements. Samples grown on …

Tailoring electronic transparency of twin-plane 1D superlattices

H Tsuzuki, DF Cesar, M Rebello de Sousa Dias… - ACS …, 2011 - ACS Publications
The structural properties of twin-plane superlattices in InP nanowires are systematically
analyzed. First, we employ molecular dynamics simulations to determine the strain fields in …

Zeeman splitting and spin dynamics tuning by exciton charging in two-dimensional systems

LK Castelano, DF Cesar, V Lopez-Richard… - Physical Review B …, 2011 - APS
We report a study of magnetic responses of neutral and charged excitons in quantum wells,
which are very sensitive to the strong spin hybridization of holes. This effect can be used to …

Emission characteristics variation of GaAs0.92Sb0.08/Al0.3Ga0.7As strained multiple quantum wells caused by rapid thermal annealing

D Wang, X Gao, J Tang, X Fang, D Fang, X Wang… - Scientific Reports, 2021 - nature.com
Rapid thermal annealing is an effective way to improve the optical properties of
semiconductor materials and devices. In this paper, the emission characteristics of GaAs0 …

Anisotropic confinement, electronic coupling and strain induced effects detected by valence-band anisotropy in self-assembled quantum dots

L Villegas-Lelovsky, MD Teodoro, V Lopez-Richard… - Nanoscale Res …, 2011 - Springer
A method to determine the effects of the geometry and lateral ordering on the electronic
properties of an array of one-dimensional self-assembled quantum dots is discussed. A …

Relaxação de spin em nanoestruturas semicondutoras 0 e 2D

VJ Laurindo - 2023 - repositorio.ufscar.br
Relaxação de spin em nanoestruturas semicondutoras 0 e 2D Page 1 UNIVERSIDADE
FEDERAL DE SÃO CARLOS CENTRO DE CIÊNCIAS EXATAS E DE TECNOLOGIA …

Analysis of confinement potential fluctuation and band-gap renormalization effects on excitonic transition in GaAs/AlGaAs multiquantum wells grown on (1 0 0) and (3 …

SA Lourenço, MD Teodoro… - Physica B: Condensed …, 2012 - Elsevier
The competition between confinement potential fluctuations and band-gap renormalization
(BGR) in GaAs/AlxGa1− xAs quantum wells grown on [100] and [311] A GaAs substrates is …

Electronic and optical properties of Quasi-2D nanostructures and exfoliated systems

DM Meneses Gustin - 2017 - repositorio.ufscar.br
This thesis is aiming to study, according to a theoretical approaches, the electronic and
optical properties of quasi-2D semiconductor quantum systems. Using the k· p model as …

[PDF][PDF] Zeeman splitting tuning by exciton charging in 2D systems

LK Castelano, V Lopez-Richard, GE Marques… - academia.edu
We report a study of magnetic responses of neutral and charged excitons in quantum wells
which are very sensitive to the valence band properties: the strong spin hybridization of …

Transport phenomena in quasi-one-dimensional heterostructures

MRS Dias - 2014 - repositorio.ufscar.br
O crescimento e caracterização de sistemas de heteroestruturas semicondutoras quasi-
unidimensionais têm atraído grande interesse devido à sua potencial de aplicação …