High-gain silicon-based InGaN/GaN dot-in-nanowire array photodetector

A Aiello, AKMH Hoque, MZ Baten… - ACS Photonics, 2019 - ACS Publications
The characteristics of visible (λ∼ 550 nm) InGaN/GaN disk-in-nanowire array
photoconductive detectors have been measured and analyzed. The nanowire arrays are …

[HTML][HTML] III-nitride disk-in-nanowire 1.2 μm monolithic diode laser on (001) silicon

A Hazari, A Aiello, TK Ng, BS Ooi… - Applied Physics …, 2015 - pubs.aip.org
III-nitride nanowire diode heterostructures with multiple In 0.85 Ga 0.15 N disks and graded
InGaN mode confining regions were grown by molecular beam epitaxy on (001) Si …

Determination of the complex refractive index of compound semiconductor alloys for optical device modelling

P Schygulla, P Fuß-Kailuweit, O Höhn… - Journal of Physics D …, 2020 - iopscience.iop.org
In this paper a method is presented to accurately and quickly interpolate a dataset of the
complex refractive index of arbitrary compound semiconductors. The method is based on a …

Bandgap measurements and the peculiar splitting of E2H phonon modes of InxAl1-xN nanowires grown by plasma assisted molecular beam epitaxy

M Tangi, P Mishra, B Janjua, TK Ng… - Journal of Applied …, 2016 - pubs.aip.org
The dislocation free In x Al 1-x N nanowires (NWs) are grown on Si (111) by nitrogen plasma
assisted molecular beam epitaxy in the temperature regime of 490 C–610 C yielding In …

Degradation study of InGaN-based laser diodes grown on Si

Y Tang, M Feng, P Wen, J Liu, J Wang… - Journal of Physics D …, 2020 - iopscience.iop.org
The degradation characteristics of InGaN-based laser diodes (LDs) grown on Si substrate
have been studied under an electrical stress with a pulsed current of 180 mA. After the …

[HTML][HTML] Theoretical maximum photogeneration efficiency and performance characterization of InxGa1− xN/Si tandem water-splitting photoelectrodes

YK Gaudy, Ž Gačević, S Haussener - Apl Materials, 2020 - pubs.aip.org
In x Ga 1− x N is a promising material for flexible and efficient water-splitting photoelectrodes
since the bandgap is tunable by modifying the indium content. We investigate the potential …

Narrow-linewidth GaN-on-Si laser diode with slot gratings

Y Tang, M Feng, J Liu, S Fan, X Sun, Q Sun, S Zhang… - Nanomaterials, 2021 - mdpi.com
This letter reports room-temperature electrically pumped narrow-linewidth GaN-on-Si laser
diodes. Unlike conventional distributed Bragg feedback laser diodes with hundreds of …

III-nitride electrically pumped visible and near-infrared nanowire lasers on (001) silicon

P Bhattacharya, A Hazari, S Jahangir, W Guo… - Semiconductors and …, 2017 - Elsevier
Abstract Ga (Al, In) N nanowires can be grown catalyst-free on silicon and other substrates.
The diameter of individual nanowires in an array and the array density can be varied over …

Rapid ellipsometric determination and mapping of alloy stoichiometry with a neural network

A Yann Battie, AC Valero, D Horwat, AE Naciri - Optics Letters, 2022 - opg.optica.org
Due to their tunable physical and chemical properties, alloys are of fundamental importance
in material science. The determination of stoichiometry is crucial for alloy engineering …

Particulate photocatalyst sheets for efficient and scalable water splitting

T Hisatomi, K Domen - 2018 - books.rsc.org
The efficient conversion of solar energy into storable, transportable chemical fuels is
believed to have the potential to solve many energy and environmental challenges. This is …