[HTML][HTML] AlGaN nanowires for ultraviolet light-emitting: recent progress, challenges, and prospects

S Zhao, J Lu, X Hai, X Yin - Micromachines, 2020 - mdpi.com
In this paper, we discuss the recent progress made in aluminum gallium nitride (AlGaN)
nanowire ultraviolet (UV) light-emitting diodes (LEDs). The AlGaN nanowires used for such …

Deep-ultraviolet integrated photonic and optoelectronic devices: A prospect of the hybridization of group III–nitrides, III–oxides, and two-dimensional materials

N Alfaraj, JW Min, CH Kang, AA Alatawi… - Journal of …, 2019 - iopscience.iop.org
Progress in the design and fabrication of ultraviolet and deep-ultraviolet group III–nitride
optoelectronic devices, based on aluminum gallium nitride and boron nitride and their …

Three-dimensional quantum confinement of charge carriers in self-organized AlGaN nanowires: A viable route to electrically injected deep ultraviolet lasers

S Zhao, SY Woo, M Bugnet, X Liu, J Kang… - Nano …, 2015 - ACS Publications
We report on the molecular beam epitaxial growth and structural characterization of self-
organized AlGaN nanowire arrays on Si substrate with high luminescence efficiency …

[HTML][HTML] Sub-milliwatt AlGaN nanowire tunnel junction deep ultraviolet light emitting diodes on silicon operating at 242 nm

S Zhao, SM Sadaf, S Vanka, Y Wang, R Rashid… - Applied Physics …, 2016 - pubs.aip.org
We report AlGaN nanowire light emitting diodes (LEDs) operating in the ultraviolet-C band.
The LED structures are grown by molecular beam epitaxy on Si substrate. It is found that …

[HTML][HTML] Molecular beam epitaxy growth of Al-rich AlGaN nanowires for deep ultraviolet optoelectronics

S Zhao, SY Woo, SM Sadaf, Y Wu, A Pofelski… - Apl Materials, 2016 - pubs.aip.org
Self-organized AlGaN nanowires by molecular beam epitaxy have attracted significant
attention for deep ultraviolet optoelectronics. However, due to the strong compositional …

An electrically pumped 239 nm AlGaN nanowire laser operating at room temperature

S Zhao, X Liu, Y Wu, Z Mi - Applied Physics Letters, 2016 - pubs.aip.org
In this work, we report on the demonstration of an electrically injected AlGaN nanowire laser
operating at 239 nm at room temperature. Vertically aligned Al-rich AlGaN nanowires are …

[HTML][HTML] Effect of low hole mobility on the efficiency droop of AlGaN nanowire deep ultraviolet light emitting diodes

X Hai, RT Rashid, SM Sadaf, Z Mi, S Zhao - Applied Physics Letters, 2019 - pubs.aip.org
Compared to the extensive studies on the efficiency droop of InGaN visible light emitting
diodes (LEDs), the efficiency droop of AlGaN deep ultraviolet (UV) LEDs is much less …

Unleashing the potential of molecular beam epitaxy grown AlGaN-based ultraviolet-spectrum nanowires devices

JW Min, D Priante, M Tangi, G Liu… - Journal of …, 2018 - spiedigitallibrary.org
There have been recent research advances in AlGaN-based self-assembled nanowires
(NWs) as building blocks for ultraviolet (UV) optoelectronics grown by plasma-assisted …

Monolayer‐thick GaN/AlN multilayer heterostructures for deep‐ultraviolet optoelectronics

V Jmerik, A Toropov, V Davydov… - physica status solidi …, 2021 - Wiley Online Library
Recent progress in the development of monolayer (ML)‐thick GaN/AlN multilayer
heterostructures for deep‐ultraviolet (UV) optoelectronics is reviewed. Analysis of both …

Assessment of AlGaN/AlN superlattices on GaN nanowires as active region of electron-pumped ultraviolet sources

I Dimkou, A Harikumar, F Donatini… - …, 2020 - iopscience.iop.org
In this paper, we describe the design and characterization of 400 nm long (88 periods) Al x
Ga 1− x N/AlN (0≤ x≤ 0.1) quantum dot superlattices deposited on self-assembled GaN …