In-situ spectroscopic analysis of the recombination kinetics in UVB LEDs during their operation

J Ruschel, J Glaab, F Mahler, T Kolbe… - Applied Physics …, 2020 - pubs.aip.org
The recombination kinetics in the quantum well (QW) active region of ultraviolet light emitting
diodes have been measured in situ during device operation. Non-radiative recombination is …

Numerical modeling of electronic and electrical characteristics of InGaN/GaN multiple quantum well solar cells

R Yahyazadeh - Journal of Photonics for Energy, 2020 - spiedigitallibrary.org
Numerical model was developed to analyze photovoltaic parameters according to electronic
properties of InGaN/GaN multiple quantum well solar cell (MQWSC) under hydrostatic …

AlN interlayer-induced reduction of dislocation density in the AlGaN epilayer

DM Tobaldi, L Lajaunie, A Cretì, M Cuscunà… - …, 2024 - pubs.rsc.org
The emerging ultrawide-bandgap AlGaN alloy system holds promise for the development of
advanced materials in the next generation of power semiconductor and UV optoelectronic …

[HTML][HTML] Photoluminescence study of non-polar m-plane InGaN and nearly strain-balanced InGaN/AlGaN superlattices

Y Cao, B Dzuba, BA Magill, A Senichev… - Journal of Applied …, 2020 - pubs.aip.org
Photoluminescence (PL) spectroscopy of nonpolar m-plane InGaN thin films with indium
composition up to 21% and nearly strain-balanced In 0.09 Ga 0.91 N/Al 0.19 Ga 0.81 N …

Enhanced Performance of Metal‐Semiconductor‐Metal UV Photodetectors on Algan/Gan Hemt Structure via Periodic Nanohole Patterning

AS Razeen, D Kotekar‐Patil, M Jiang… - Advanced Materials …, 2024 - Wiley Online Library
Abstract AlGaN/GaN High Electron Mobility Transistor (HEMT) structures offer superior
electrical and material properties that make them ideal for the fabrication of high …

Experimental Evaluation of The Response of AlGaN/GaN UV Photodetectors with Square and Hexagonal Nanohole Arrays

AS Razeen, D Kotekar-Patil, J Ong… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
This study presents an experimental investigation of AlGaN/GaN ultraviolet photodetectors
(UV PDs) incorporating square and hexagonal nanohole arrays, aiming to enhance the …

Rejection ratio and responsivity of dual-layer III-nitride alloy photodetectors

Z Allam, C Boudaoud… - Engineering Research …, 2024 - iopscience.iop.org
Abstract The III-Nitride alloys (AlGaN and InGaN) photodetectors with Schottky barriers have
been studied, focusing on two structures with active layers: one based on Al 0.25 Ga 0.75 …

Interpretation and modelling of dynamic-RON kinetics in GaN-on-Si HEMTs for mm-wave applications

V Putcha, H Yu, J Franco, S Yadav… - 2022 IEEE …, 2022 - ieeexplore.ieee.org
This work shows that the complex dynamic-RON characteristics observed for scaled GaN
HEMT devices results from the similar capture/emission activation energies of the defects …

Photoluminescence Study of Carrier Localization and Recombination in Nearly Strain‐Balanced Nonpolar InGaN/AlGaN Quantum Wells

Y Cao, B Dzuba, BA Magill, A Senichev… - … status solidi (b), 2022 - Wiley Online Library
Temperature‐dependent continuous‐excitation and time‐resolved photoluminescence are
studied to probe carrier localization and recombination in nearly strain‐balanced m‐plane …

AlGaN/GaN HEMT-based ultraviolet photodetectors with enhanced device efficiency

ASH Razeen - 2024 - dr.ntu.edu.sg
AlGaN/GaN HEMT structures have gained significant attention in recent years due to their
wide range of applications in power and optoelectronics, including electric vehicles …