Low-dispersion, high-voltage, low-leakage GaN HEMTs on native GaN substrates

M Alshahed, L Heuken, M Alomari… - … on Electron Devices, 2018 - ieeexplore.ieee.org
In this paper, the advantages of GaN high electron mobility transistors (HEMTs) grown on
native GaN over GaN/Si or GaN/sapphire substrates are investigated and correlated with …

[HTML][HTML] Scanning capacitance microscopy of GaN-based high electron mobility transistor structures: A practical guide

C Chen, S Ghosh, F Adams, MJ Kappers, DJ Wallis… - Ultramicroscopy, 2023 - Elsevier
The scanning capacitance microscope (SCM) is a powerful tool to characterise local
electrical properties in GaN-based high electron mobility transistor (HEMT) structures with …

OFF-state leakage and current collapse in AlGaN/GaN HEMTs: A virtual gate induced by dislocations

S Ghosh, S Das, SM Dinara, A Bag… - … on Electron Devices, 2018 - ieeexplore.ieee.org
The existence of a correlation between current collapse and off-state reverse-bias leakage
current in heteroepitaxially grown AlGaN/GaN high-electron-mobility transistors is …

Improved modeling of GaN HEMTs for predicting thermal and trap**-induced-kink effects

A Jarndal, FM Ghannouchi - Solid-State Electronics, 2016 - Elsevier
In this paper, an improved modeling approach has been developed and validated for GaN
high electron mobility transistors (HEMTs). The proposed analytical model accurately …

Improvements of electrical and thermal characteristics for AlGaN/GaN HEMT grown by metal-organic chemical vapor deposition on silicon-on-insulator (SOI) substrate

CH Chiang, D Anandan, CF Dee… - Semiconductor …, 2022 - iopscience.iop.org
AlGaN/GaN high electron mobility transistors (HEMTs) heterostructures are grown by metal-
organic chemical vapor deposition on silicon-on-insulator (SOI) substrate and high-resistivity …

Optical pum** of deep traps in AlGaN/GaN-on-Si HEMTs using an on-chip Schottky-on-heterojunction light-emitting diode

B Li, X Tang, KJ Chen - Applied Physics Letters, 2015 - pubs.aip.org
In this work, by using an on-chip integrated Schottky-on-heterojunction light-emitting diode
(SoH-LED) which is seamlessly integrated with the AlGaN/GaN high electron mobility …

Characterization of interface reaction of Ti/Al-based ohmic contacts on AlGaN/GaN epitaxial layers on GaN substrate

DH Zadeh, S Tanabe, N Watanabe… - Japanese Journal of …, 2016 - iopscience.iop.org
The ohmic properties of Ti/Al/Mo/Au contacts on a high-quality AlGaN/GaN heterostructure
epitaxially grown on a GaN substrate were investigated. Systematic structural and electrical …

Dynamic pressure/temperature behaviour of GaN-based chemical sensors

J Gillbanks, M Myers… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
Long-term operation of chemical sensors under dynamic pressure/temperature conditions
for industrial or environmental monitoring is desirable and yet rarely achieved. We have …

Breakdown mechanism in AlGaN/GaN high-electron mobility transistor structure on free-standing n-type GaN substrate

S Tanabe, N Watanabe… - Japanese Journal of …, 2016 - iopscience.iop.org
The breakdown mechanism in a high-electron mobility transistor structure on free-standing n-
type GaN substrates consisting of a C-doped GaN layer as a high-resistivity buffer was …