Graded-index separate confinement heterostructure AlGaN nanowires: toward ultraviolet laser diodes implementation

H Sun, D Priante, JW Min, RC Subedi, MK Shakfa… - ACS …, 2018 - ACS Publications
High-density dislocations in materials and poor electrical conductivity of p-type AlGaN layers
constrain the performance of the ultraviolet light emitting diodes and lasers at shorter …

Enhancement of the optoelectronic characteristics of deep ultraviolet nanowire laser diodes by induction of bulk polarization charge with graded AlN composition in …

SM Nawaz, MI Niass, Y Wang, Z ** in deep-ultraviolet laser diode
HU Rehman, A Aman, R Iqbal, MN Sharif, I Ahmad… - Optik, 2023 - Elsevier
AlGaN deep ultraviolet (DUV) with the high induced polarization emitters effect degrades the
performance of the laser diode (LD) and brings a higher injection current density, resulting in …

100‐nm thick single‐phase wurtzite BAlN films with boron contents over 10%

X Li, S Wang, H Liu, FA Ponce… - … status solidi (b), 2017 - Wiley Online Library
Growing thicker BAlN films while maintaining single‐phase wurtzite structure and boron
content over 10% has been challenging. In this study, we report on the growth of 100 nm …

Dual-band solar-blind UV photodetectors based on AlGaN/AlN superlattices

Y Chen, X Zhou, Z Zhang, G Miao, H Jiang, Z Li… - Materials Letters, 2021 - Elsevier
Herein, a metal–semiconductor-metal (MSM) structure dual-band solar-blind ultraviolet (UV)
photodetector based on 60.5-period Al 0.5 Ga 0.5 N/AlN superlattices (SLs) is reported. The …

Growth mechanism of AlN on hexagonal BN/sapphire substrate by metal–organic chemical vapor deposition

Q Wu, J Yan, L Zhang, X Chen, T Wei, Y Li, Z Liu… - …, 2017 - pubs.rsc.org
The growth mechanism of AlN materials on a sapphire substrate with a hexagonal BN
overlayer (hBN/sapphire) by metal–organic chemical vapor deposition (MOCVD) is reported …

Performance improvement of 263 nm AlGaN DUV LDs with different do** concentration and composition graded EBL Techniques

HU Rehman, NU Rahman, I Haq, F Wang… - Physica Scripta, 2024 - iopscience.iop.org
As part of this study, we present a study on the act of electrically driven Laser Diode (LD)
using trinary Aluminum Gallium Nitride (AlGaN) with optimized do** concentrations. To …

Composition-graded quantum barriers improve performance in AlGaN-based deep ultraviolet laser diodes

P Zhang, L Jia, A Zhang, MN Sharif, F Wang… - Optical …, 2022 - spiedigitallibrary.org
We propose two composition-graded quantum barriers (QBs) to improve the performance of
AlGaN-based deep ultraviolet laser diodes (DUV-LDs). The optical and electrical properties …