[HTML][HTML] Bandgap engineering in III-nitrides with boron and group V elements: Toward applications in ultraviolet emitters

R Kudrawiec, D Hommel - Applied Physics Reviews, 2020 - pubs.aip.org
A key material system for opto-and high-power electronics are III-nitrides. Their functionality
can be expanded when bandgap engineering is extended beyond common materials such …

Surface Engineering of Methylammonium Lead Bromide Perovskite Crystals for Enhanced X-ray Detection

AT Gidey, Y Haruta, AP Herman… - The Journal of …, 2023 - ACS Publications
The surface quality of lead halide perovskite crystals can extremely influence their
optoelectronic properties and device performance. Here, we report a surface engineering …

Temperature dependence of band gaps in dilute bismides

WM Linhart, R Kudrawiec - Semiconductor Science and …, 2018 - iopscience.iop.org
Abstract Knowledge about the temperature dependence of the fundamental band-gap
energy of semiconductors is very important and constitutes the basis for developing …

[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 …

GaAsBi/GaAs multi-quantum well LED grown by molecular beam epitaxy using a two-substrate-temperature technique

PK Patil, E Luna, T Matsuda, K Yamada… - …, 2017 - iopscience.iop.org
Abstract We report a GaAs 0.96 Bi 0.04/GaAs multiple quantum well (MQW) light emitting
diode (LED) grown by molecular beam epitaxy using a two-substrate-temperature (TST) …

Carrier dynamics in (Ga, In)(Sb, Bi)/GaSb quantum wells for laser applications in the mid-infrared spectral range

E Rogowicz, J Kopaczek, MP Polak, O Delorme… - Scientific Reports, 2022 - nature.com
We present experimental studies on low-temperature (T= 4.2 K) carrier dynamics in (Ga,
In)(Sb, Bi)/GaSb quantum wells (QWs) with the nominal In content of 3.7% and the Bi …

Enhancement of photoluminescence of GaAsBi quantum wells by parabolic design of AlGaAs barriers

S Pūkienė, M Karaliūnas, A Jasinskas… - …, 2019 - iopscience.iop.org
Influence of barrier material and structure on carrier quantum confinement in GaAsBi
quantum wells (QWs) is studied comprehensively. Single-and multi-QW structures were …

Bismuth quantum dots in annealed GaAsBi/AlAs quantum wells

R Butkutė, G Niaura, E Pozingytė, B Čechavičius… - Nanoscale research …, 2017 - Springer
Formation of bismuth nanocrystals in GaAsBi layers grown by molecular beam epitaxy at
330° C substrate temperature and post-growth annealed at 750° C is reported. Superlattices …

Static and dynamic disorder in triple-cation hybrid perovskites

M Baranowski, JM Urban, N Zhang… - The Journal of …, 2018 - ACS Publications
A detailed understanding of the carrier dynamics and emission characteristics of organic–
inorganic lead halide perovskites is critical for their optoelectronic and energy harvesting …

Type I GaSb1-xBix/GaSb quantum wells dedicated for mid infrared laser applications: Photoreflectance studies of bandgap alignment

R Kudrawiec, J Kopaczek, O Delorme… - Journal of Applied …, 2019 - pubs.aip.org
To determine the band alignment at the GaSb 1-x Bi x/GaSb interface, a set of GaSb 1-x Bi
x/GaSb quantum wells (QWs) of various widths (7, 11, and 15 nm) and contents (Bi≤ 12%) …