Effect of N2 and H2 plasma treatments on band edge emission of ZnO microrods

J Rodrigues, T Holz, R Fath Allah, D Gonzalez… - Scientific Reports, 2015 - nature.com
ZnO microrods were grown by laser assisted flow deposition technique in order to study their
luminescence behaviour in the near band edge spectral region. Transmission electron …

Comparison of fluctuating potentials and donor-acceptor pair transitions in a Cu-poor Cu2ZnSnS4 based solar cell

JP Teixeira, RA Sousa, MG Sousa… - Applied Physics …, 2014 - pubs.aip.org
The structure of the electronic energy levels of a single phase Cu 2 ZnSnS 4 film, as
confirmed by Raman Scattering and x-ray diffraction, is investigated through a dependence …

Linear and nonlinear optical properties of single GaAs nanowires with polytypism

ACS Pimenta, DC Teles Ferreira, DB Roa… - The Journal of …, 2016 - ACS Publications
We report the linear and nonlinear optical properties of single GaAs nanowires with
polytypism effect. Electron transmission microscopy experiments show that the nanowires …

Strain-induced modulation of the band structure of GaAs/GaSb/GaAs core-dual-shell nanowires

Y Kang, B Meng, X Hou, P Wang, J Tang, L Wang… - Vacuum, 2024 - Elsevier
The amalgamation of high-strained core/shell geometries in nanowire (NW) heterostructures
with bandgap engineering enables the systems with novel transport and optical properties …

Fluctuating potentials in GaAs: Si nanowires: critical reduction of the influence of polytypism on the electronic structure

NB Sedrine, R Ribeiro-Andrade, A Gustafsson… - Nanoscale, 2018 - pubs.rsc.org
In this work, the effects of Si doping in GaAs nanowires (NWs) grown on GaAs (111) B by
molecular beam epitaxy with different Si doping levels (nominal free carrier concentrations …

Structural and optical properties of Be-doped high-quality self-catalyzed GaAs nanowires

Y Kang, H Li, J Tang, H Jia, X Hou, X Li… - Optical Materials …, 2021 - opg.optica.org
Crystal-phase control and crystalline quality improvement of GaAs nanowires (NWs) have
been realized by dopant (Be) incorporation in GaAs NWs. We demonstrate the improvement …

New insights into the temperature-dependent photoluminescence of Mg-doped GaAs nanowires and epilayers

BP Falcao, JP Leitao, MR Correia, MF Leitao… - Journal of materials …, 2014 - pubs.rsc.org
The intentional introduction of impurities in semiconductor nanowires is very important in
view of device applications. Doping affects the electronic energy level structure which in the …

Self-catalyzed molecular beam epitaxy growth and their optoelectronic properties of vertical GaAs nanowires on Si (111)

L Zhang, X Geng, G Zha, J Xu, S Wei, B Ma… - Materials Science in …, 2016 - Elsevier
Self-assembled GaAs nanowires were grown by molecular beam epitaxy (MBE) on un-
pretreated Si (111) substrates under different As 4/Ga flux ratios (V/III ratios). It has been …

GaAsSbN-based pin heterostructures for solar cell applications grown by liquid-phase epitaxy

M Milanova, V Donchev, B Arnaudov… - Journal of Materials …, 2020 - Springer
We present an original study on quaternary GaAsSbN layers and multilayer heterostructures
grown by low-temperature liquid-phase epitaxy (LPE) on GaAs substrates aiming to explore …

Electrical properties of polytypic Mg doped GaAs nanowires

N Cifuentes, ER Viana, H Limborço… - Journal of …, 2016 - Wiley Online Library
The electrical transport properties of individual Mg doped GaAs nanowires are investigated.
It is shown that Mg can be successfully used as a nontoxic p‐type dopant in GaAs …