Multifunctional ultraviolet-C micro-LED with monolithically integrated photodetector for optical wireless communication

X Shan, S Zhu, P Qiu, Z Qian, R Lin… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
In this paper, a multifunctional ultraviolet-C (UVC) micro-LED with monolithically integrated
photodetector (PD) based on AlGaN multiple quantum wells (MQWs) was fabricated. We …

N-algan free deep-ultraviolet light-emitting diode with transverse electron injection

X Gao, J Yang, J He, B Cui, L Zhang, Z Liu, Y Ai… - ACS …, 2023 - ACS Publications
For the first time, the n-AlGaN free deep-ultraviolet light-emitting diode (DUV-LED) with
transverse electron injection by selective area regrowth (SAG) n+-GaN is demonstrated. The …

[HTML][HTML] The influence of threading dislocations propagating through an AlGaN UVC LED

D Cameron, PR Edwards, F Mehnke, G Kusch… - Applied Physics …, 2022 - pubs.aip.org
During the epitaxy of AlGaN on sapphire for deep UV emitters, significant lattice mismatch
leads to highly strained heterojunctions and the formation of threading dislocations …

Core–Shell Nanorods as Ultraviolet Light-Emitting Diodes

D Cameron, PM Coulon, S Fairclough, G Kusch… - Nano Letters, 2023 - ACS Publications
Existing barriers to efficient deep ultraviolet (UV) light-emitting diodes (LEDs) may be
reduced or overcome by moving away from conventional planar growth and toward three …

Investigation of AlGaN/GaN high electron mobility transistors on Silicon (111) substrates employing multi-stacked strained layer superlattice structures

P Dalapati, S Urata, T Egawa - Superlattices and Microstructures, 2020 - Elsevier
AlGaN/GaN high electron mobility transistors (HEMTs) on Silicon (111) substrates are grown
by using multi-stacked strained superlattices layer structures. Atomic force microscopy, X-ray …

[HTML][HTML] Monolayer-scale gan/aln multiple quantum wells for high power e-beam pumped uv-emitters in the 240–270 nm spectral range

V Jmerik, D Nechaev, K Orekhova, N Prasolov… - Nanomaterials, 2021 - mdpi.com
Monolayer (ML)-scale GaN/AlN multiple quantum well (MQW) structures for electron-beam-
pumped ultraviolet (UV) emitters are grown on c-sapphire substrates by using plasma …

Performance and reliability of state-of-the-art commercial UVC light emitting diodes

J Loveless, R Kirste, B Moody, P Reddy… - Solid-State …, 2023 - Elsevier
Commercially-available, sapphire-and AlN-based ultraviolet-C light emitting diodes (UVC
LEDs) emitting in the range of 265–275 nm were evaluated and compared. Both AlN-and …

Stress evolution in AlN growth on nano-patterned sapphire substrates

N **e, F Xu, J Wang, Y Sun, B Liu, N Zhang… - Applied Physics …, 2019 - iopscience.iop.org
The stress evolution behavior of AlN grown on nano-patterned substrates (NPSSs) has been
investigated. It is found that there are two sources of the tensile stress for AlN grown on …

Thermal Droop Effects in AlGaN Ultraviolet-C Light-Emitting Diodes

N Anand, J Kang, B Sikder, CG Jenson… - ACS Applied …, 2024 - ACS Publications
Al-rich AlGaN based light-emitting diodes (LEDs) operating in the ultraviolet-C (UV-C)
spectral wavelength (< 280 nm) are important for various critical applications. However, to …

Suppressing Dislocations and Excess Compressive Stress in High-Temperature-Annealed AlN Films through Macrostep-Induced Dislocation Inclination

H Wu, C He, J Ge, K Zhang, Y Liu, Q Wang… - Crystal Growth & …, 2025 - ACS Publications
High-temperature annealing (HTA) is a simple yet effective method for reducing threading
dislocation densities (TDDs) in AlN films. However, it often results in excess compressive …