Detection and impact of short-range order in medium/high-entropy alloys

TJ Ziehl, D Morris, P Zhang - Iscience, 2023 - cell.com
Summary Medium/High-entropy alloys (MEAs/HEAs) have attracted much attention during
the past two decades and have been studied extensively owing to their excellent physical …

Modelling of the Sb and N distribution in type II GaAsSb/GaAsN superlattices for solar cell applications

DF Reyes, V Braza, A Gonzalo, AD Utrilla… - Applied Surface …, 2018 - Elsevier
GaAsSbN dilute nitrides are potential candidates for integration in high-performance multi-
junction solar cells due to the bandgap tunability in the 1.0–1.15 eV range and the possibility …

Pyramidal structure formation at the interface between III/V semiconductors and silicon

A Beyer, A Stegmüller, JO Oelerich… - Chemistry of …, 2016 - ACS Publications
An enhancement of computer performance following Moore's law requires the
miniaturization of semiconductor devices. Presently, their dimensions reach the nanoscale …

Sb and N incorporation interplay in GaAsSbN/GaAs epilayers near lattice-matching condition for 1.0–1.16-eV photonic applications

V Braza, DF Reyes, A Gonzalo, AD Utrilla, T Ben… - Nanoscale research …, 2017 - Springer
As promising candidates for solar cell and photodetection applications in the range 1.0–1.16
eV, the growth of dilute nitride GaAsSbN alloys lattice matched to GaAs is studied. With this …

Open circuit voltage recovery in GaAsSbN-based solar cells: Role of deep N-related radiative states

A Gonzalo, L Stanojević, AD Utrilla, DF Reyes… - Solar Energy Materials …, 2019 - Elsevier
In this work we investigate the effect of rapid thermal annealing (RTA) on the performance of
solar cells consisting of different GaAsSbN-based structures and correlate the device results …

High resolution STEM of quantum dots and quantum wires

S Kadkhodazadeh - Micron, 2013 - Elsevier
This article reviews the application of high resolution scanning transmission electron
microscopy (STEM) to semiconductor quantum dots (QDs) and quantum wires (QWRs) …

Compositional characterization of GaAs/GaAsSb nanowires by quantitative HAADF-STEM

H Kauko, T Grieb, R Bjørge, M Schowalter, AM Munshi… - Micron, 2013 - Elsevier
The Sb concentration in axial GaAs1− xSbx inserts of otherwise pure GaAs nanowires has
been investigated with quantitative high-angle annular dark-field scanning transmission …

Compositional inhomogeneities in type-I and type-II superlattices for GaAsSbN-based solar cells: Effect of thermal annealing

V Braza, DF Reyes, A Gonzalo, AD Utrilla… - Applied Surface …, 2018 - Elsevier
GaAsSbN alloys is recognized as an effective candidate to incorporate in multijunction solar
cell applications due to its advantages of being grown lattice-matched to GaAs and its …

Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires

H Kauko, BO Fimland, T Grieb, AM Munshi… - Journal of Applied …, 2014 - pubs.aip.org
The near-surface reduction of the Sb mole fraction during the growth of GaAsSb nanowires
(NWs) and GaAs NWs with GaAsSb inserts has been studied using quantitative high-angle …

[HTML][HTML] Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure

A Bashir, K Gallacher, RW Millar, DJ Paul… - Journal of applied …, 2018 - pubs.aip.org
A Ge-SiGe multiple quantum well structure created by low energy plasma enhanced
chemical vapour deposition, with nominal well thickness of 5.4 nm separated by 3.6 nm …