Current Status of Carbon‐Related Defect Luminescence in GaN

F Zimmermann, J Beyer, C Röder… - … status solidi (a), 2021 - Wiley Online Library
Highly insulating layers are a prerequisite for gallium nitride (GaN)‐based power electronic
devices. For this purpose, carbon doping is one of the currently pursued approaches …

Investigation of leakage current paths in n-GaN by conductive atomic force microscopy

B Kim, D Moon, K Joo, S Oh, YK Lee, Y Park… - Applied Physics …, 2014 - pubs.aip.org
We have investigated electrical characteristics of leakage current paths in n-GaN layer
grown by metal-organic chemical vapor deposition with conductive-atomic force microscopy …

Role of edge dislocations in enhancing the yellow luminescence of n-type GaN

DG Zhao, DS Jiang, H Yang, JJ Zhu, ZS Liu… - Applied physics …, 2006 - pubs.aip.org
We investigate the origin of yellow luminescence in n-type GaN. It is found that the relative
intensity of yellow luminescence increases as the full width at half maximum of the x-ray …

Physical insights into electron trapping mechanism in the carbon-doped GaN buffer in AlGaN/GaN HEMTs and its impact on dynamic on-resistance

V Joshi, RR Chaudhuri, SD Gupta… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, a well-calibrated computational framework is used to probe the physical
mechanisms leading to electron trapping in the carbon-doped GaN buffer in AlGaN/GaN …

Photocatalytic activity of gallium nitride for producing hydrogen from water under light irradiation

T Kida, Y Minami, G Guan, M Nagano… - Journal of materials …, 2006 - Springer
Photocatalytic activity of powdered GaN for decomposing water into hydrogen under light
irradiation was investigated. It was found that GaN has activity for producing hydrogen from …

Yellow luminescence band in undoped GaN revealed by two-wavelength excited photoluminescence

M Julkarnain, N Kamata, T Fukuda, Y Arakawa - Optical Materials, 2016 - Elsevier
The below-gap emission components including yellow luminescence (YL) band of an
MOCVD grown undoped GaN have been studied by the two-wavelength-excited …

InGaN/GaN multiple quantum well for fast scintillation application: radioluminescence and photoluminescence study

A Hospodková, M Nikl, O Pacherová, J Oswald… - …, 2014 - iopscience.iop.org
Abstract We prepare InGaN/GaN multiple quantum well (MQW) structure by metal–organic
vapour phase epitaxy and characterize it by fine XRD measurements. We demonstrate its …

Electrical characterization of GaN Schottky barrier diode at cryogenic temperatures

J Chen, M Zhu, X Lu, X Zou - Applied Physics Letters, 2020 - pubs.aip.org
In this report, electrical characteristics of the Ni/GaN Schottky barrier diode grown on
sapphire have been investigated in the range of 20 K–300 K, using current–voltage …

Reduction of threading dislocation density in GaN grown on strain relaxed nanoporous GaN template

H Hartono, CB Soh, SY Chow, SJ Chua… - Applied physics …, 2007 - pubs.aip.org
Growth of gallium nitride (GaN) on strain relaxed nanoporous GaN template by metal-
organic chemical vapor deposition has produced GaN layer with 60% reduction in threading …

Investigation of deep levels in bulk GaN material grown by halide vapor phase epitaxy

TT Duc, G Pozina, E Janzén… - Journal of Applied …, 2013 - pubs.aip.org
Electron traps in thick free standing GaN grown by halide vapor phase epitaxy were
characterized by deep level transient spectroscopy. The measurements revealed six …