Compositionally graded III-nitride alloys: Building blocks for efficient ultraviolet optoelectronics and power electronics

H Zhang, C Huang, K Song, H Yu, C Xing… - Reports on Progress …, 2021 - iopscience.iop.org
Wide bandgap aluminum gallium nitride (AlGaN) semiconductor alloys have established
themselves as the key materials for building ultraviolet (UV) optoelectronic and power …

Ultraviolet optoelectronic devices based on AlGaN-SiC platform: Towards monolithic photonics integration system

C Huang, H Zhang, H Sun - Nano energy, 2020 - Elsevier
Rapid advancement of wide-bandgap AlGaN semiconductor materials offers tremendous
opportunities in the field of ultraviolet (UV) optoelectronics for a wide range of advanced …

Recent progress and challenges in magnetic tunnel junctions with 2D materials for spintronic applications

L Zhang, J Zhou, H Li, L Shen, YP Feng - Applied Physics Reviews, 2021 - pubs.aip.org
As Moore's law is gradually losing its effectiveness, the development of alternative high-
speed and low-energy–consuming information technology with postsilicon-advanced …

Unambiguously enhanced ultraviolet luminescence of AlGaN wavy quantum well structures grown on large misoriented sapphire substrate

H Sun, S Mitra, RC Subedi, Y Zhang… - Advanced Functional …, 2019 - Wiley Online Library
High‐quality epitaxy consisting of Al1− xGaxN/Al1− yGayN multiple quantum wells (MQWs)
with sharp interfaces and emitting at≈ 280 nm is successfully grown on sapphire with a …

Band engineering of III-nitride-based deep-ultraviolet light-emitting diodes: a review

Z Ren, H Yu, Z Liu, D Wang, C Xing… - Journal of Physics D …, 2019 - iopscience.iop.org
III-nitride deep ultraviolet (DUV) light-emitting diodes (LEDs) have been identified as
promising candidates for energy-efficient, environment-friendly and robust UV lighting …

HCl Flow-Induced Phase Change of α-, β-, and ε-Ga2O3 Films Grown by MOCVD

H Sun, KH Li, CGT Castanedo, S Okur… - Crystal Growth & …, 2018 - ACS Publications
Precise control of the heteroepitaxy on a low-cost foreign substrate is often the key to drive
the success of fabricating semiconductor devices in scale when a large low-cost native …

AlGaN deep-ultraviolet light-emitting diodes grown on SiC substrates

BK SaifAddin, AS Almogbel, CJ Zollner, F Wu… - ACS …, 2020 - ACS Publications
The disinfection industry would greatly benefit from efficient, robust, high-power deep-
ultraviolet light-emitting diodes (UV–C LEDs). However, the performance of UV–C AlGaN …

Advantages of AlGaN-based deep-ultraviolet light-emitting diodes with an Al-composition graded quantum barrier

H Yu, Z Ren, H Zhang, J Dai, C Chen, S Long… - Optics express, 2019 - opg.optica.org
AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) still suffer from poor
quantum efficiency and low optical power. In this work, we proposed a DUV LED structure …

Surface-passivated AlGaN nanowires for enhanced luminescence of ultraviolet light emitting diodes

H Sun, MK Shakfa, MM Muhammed, B Janjua… - Acs …, 2017 - ACS Publications
Spontaneously grown, self-aligned AlGaN nanowire ultraviolet light emitting diodes still
suffer from low efficiency partially because of the strong surface recombination caused by …

Enhanced performance of an AlGaN-based deep-ultraviolet LED having graded quantum well structure

H Yu, Q Chen, Z Ren, M Tian, S Long… - IEEE photonics …, 2019 - ieeexplore.ieee.org
AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) suffer from severe quantum
confined Stark effect (QCSE) due to the strong polarization field in the quantum wells (QWs) …