[HTML][HTML] Photovoltaic characterisation of GaAsBi/GaAs multiple quantum well devices

RD Richards, A Mellor, F Harun, JS Cheong… - Solar Energy Materials …, 2017 - Elsevier
A series of strained GaAsBi/GaAs multiple quantum well diodes are characterised to assess
the potential of GaAsBi for photovoltaic applications. The devices are compared with …

Molecular beam epitaxy growth of GaAsBi using As2 and As4

RD Richards, F Bastiman, CJ Hunter, DF Mendes… - Journal of Crystal …, 2014 - Elsevier
Abstract 100 nm thick GaAsBi layers were grown at a range of temperatures using both As 2
and As 4. Measurements of Bi incorporation based on room temperature …

GaAs(1-x)Bix: A Promising Material for Optoelectronics Applications

KK Nagaraja, YA Mityagin, MP Telenkov… - Critical Reviews in …, 2017 - Taylor & Francis
Bismuth alloying with GaAs has promised greater advantages in the realization of more
convenient mid and near IR photonic devices owing to its novel and unique properties. The …

Assessing the nature of the distribution of localised states in bulk GaAsBi

T Wilson, NP Hylton, Y Harada, P Pearce… - Scientific Reports, 2018 - nature.com
A comprehensive assessment of the nature of the distribution of sub band-gap energy states
in bulk GaAsBi is presented using power and temperature dependent photoluminescence …

MOVPE growth and characterization of GaAs/GaAsBi/GaAs pin structure

AB Abdelwahed, S Zouaghi, H Fitouri, A Rebey - Optical Materials, 2024 - Elsevier
In this work, we report on the epitaxial growth and characterization of the
GaAs/GaAsBi/GaAs pin structure. The samples were grown on a GaAs (001) substrate using …

[HTML][HTML] Ordered GaAs quantum dots by droplet epitaxy using in situ direct laser interference patterning

IS Han, YR Wang, M Hopkinson - Applied Physics Letters, 2021 - pubs.aip.org
We report the fabrication of highly ordered arrays of GaAs/AlGaAs quantum dots (QDs) by
droplet epitaxy using in situ direct laser interference patterning. Two-dimensional arrays of …

Self-limiting growth when using trimethyl bismuth (TMBi) in the metal-organic vapor phase epitaxy (MOVPE) of GaAs1− yBiy

K Forghani, Y Guan, AW Wood, A Anand… - Journal of crystal …, 2014 - Elsevier
Theoretical and experimental studies have confirmed that the GaAs 1− y Bi y semiconductor
alloy system has potential for long wavelength applications and devices with improved …

Rapid thermal annealing effect on GaAsBi/GaAs single quantum wells grown by molecular beam epitaxy

PC Grant, D Fan, A Mosleh, SQ Yu… - Journal of Vacuum …, 2014 - pubs.aip.org
The effect of rapid thermal annealing on the optical and structural properties of GaAsBi/GaAs
quantum wells (QWs) is investigated. The photoluminescence (PL) spectra of the samples …

MBE grown GaAsBi/GaAs double quantum well separate confinement heterostructures

D Fan, PC Grant, SQ Yu, VG Dorogan, X Hu… - Journal of Vacuum …, 2013 - pubs.aip.org
GaAsBi/GaAs double quantum wells and double quantum well separate confinement
heterostructures are grown at low temperatures using molecular beam epitaxy. Methods of …

Growth and structural characterization of GaAsBi/GaAs multiple quantum wells

RD Richards, F Bastiman, D Walker… - Semiconductor …, 2015 - iopscience.iop.org
GaAsBi/GaAs multiple quantum well (MQW) p–i–n diodes are grown by molecular beam
epitaxy. Transmission electron microscope images of the diodes show good agreement …