Reliability of GaN high-electron-mobility transistors: State of the art and perspectives

G Meneghesso, G Verzellesi, F Danesin… - … on Device and …, 2008 - ieeexplore.ieee.org
Failure modes and mechanisms of AlGaN/GaN high-electron-mobility transistors are
reviewed. Data from three de-accelerated tests are presented, which demonstrate a close …

Recent developments in materials, architectures and processing of AlGaN/GaN HEMTs for future RF and power electronic applications: A critical review

B Mounika, J Ajayan, S Bhattacharya, D Nirmal - Micro and Nanostructures, 2022 - Elsevier
This article critically reviews the architectural novelties, emerging materials (substrate,
buffer, barrier & contact materials), technological advancements, processing techniques …

GaN-based RF power devices and amplifiers

UK Mishra, L Shen, TE Kazior… - Proceedings of the IEEE, 2008 - ieeexplore.ieee.org
The rapid development of the RF power electronics requires the introduction of wide
bandgap material due to its potential in high output power density, high operation voltage …

Deep traps in GaN-based structures as affecting the performance of GaN devices

AY Polyakov, IH Lee - Materials Science and Engineering: R: Reports, 2015 - Elsevier
New developments in theoretical studies of defects and impurities in III-Nitrides as pertinent
to compensation and recombination in these materials are discussed. New results on …

Effective passivation of AlGaN/GaN HEMTs by ALD-grown AlN thin film

S Huang, Q Jiang, S Yang, C Zhou… - IEEE Electron Device …, 2012 - ieeexplore.ieee.org
An effective passivation technique for AlGaN/GaN high-electron-mobility transistors (HEMTs)
is presented. This technique features an AlN thin film grown by plasma-enhanced atomic …

Electronic surface and dielectric interface states on GaN and AlGaN

BS Eller, J Yang, RJ Nemanich - … of Vacuum Science & Technology A, 2013 - pubs.aip.org
GaN and AlGaN have shown great potential in next-generation high-power electronic
devices; however, they are plagued by a high density of interface states that affect device …

Current collapse and high-electric-field reliability of unpassivated GaN/AlGaN/GaN HEMTs

G Meneghesso, F Rampazzo, P Kordos… - … on Electron Devices, 2006 - ieeexplore.ieee.org
Long-term ON-state and OFF-state high-electric-field stress results are presented for
unpassivated GaN/AlGaN/GaN high-electron-mobility transistors on SiC substrates …

[HTML][HTML] Al-rich AlGaN based transistors

AG Baca, AM Armstrong, BA Klein… - Journal of Vacuum …, 2020 - pubs.aip.org
Research results for AlGaN-channel transistors are reviewed as they have progressed from
low Al-content and long-channel devices to Al-rich and short-channel RF devices. Figure of …

210-GHz InAlN/GaN HEMTs with dielectric-free passivation

R Wang, G Li, O Laboutin, Y Cao… - IEEE electron device …, 2011 - ieeexplore.ieee.org
Lattice-matched depletion-mode InAlN/AlN/GaN high-electron mobility transistors (HEMTs)
on a SiC substrate were fabricated, for the first time, with a dielectric-free passivation (DFP) …

Investigation of high-electric-field degradation effects in AlGaN/GaN HEMTs

M Faqir, G Verzellesi, G Meneghesso… - … on Electron Devices, 2008 - ieeexplore.ieee.org
High-electric-field degradation phenomena are investigated in GaN-capped AlGaN/GaN
HEMTs by comparing experimental data with numerical device simulations. Under power …