High-performance InAlN/GaN HEMTs on silicon substrate with high fT× Lg

P Cui, A Mercante, G Lin, J Zhang, P Yao… - Applied Physics …, 2019 - iopscience.iop.org
We report an 80 nm gate-length In 0.17 Al 0.83 N/GaN high-electron mobility transistor
(HEMT) on silicon substrate with a record low gate leakage current of 7.12× 10− 7 A mm− 1 …

Implementation of High-Power-Density -Band AlGaN/GaN High Electron Mobility Transistors in a Millimeter-Wave Monolithic Microwave Integrated Circuit Process

RC Fitch, DE Walker, AJ Green… - IEEE electron device …, 2015 - ieeexplore.ieee.org
A GaN high electron mobility transistor monolithic microwave integrated circuit (MMIC)
designer typically has to choose a device design either for high-gain millimeter-wave …

High-Performance AlGaN/GaN HEMTs With Hybrid Schottky–Ohmic Drain for Ka-Band Applications

J Liu, M Mi, J Zhu, P Wang, Y Zhou… - … on Electron Devices, 2022 - ieeexplore.ieee.org
A hybrid Schottky–ohmic drain technology for millimeter-wave (mmW) AlGaN/GaN high-
electron-mobility transistors (HEMTs) is proposed. The Schottky metal extension in the …

Thermal mapping of defects in AlGaN∕ GaN heterostructure field-effect transistors using micro-Raman spectroscopy

JW Pomeroy, M Kuball, DJ Wallis, AM Keir… - Applied Physics …, 2005 - pubs.aip.org
We illustrate the use of micro-Raman mapping to study the local effect of defects on device
temperature in active Al Ga N∕ Ga N heterostructure field-effect transistors. Significant …

Effective suppression of IV knee walk-out in AlGaN/GaN HEMTs for pulsed-IV pulsed-RF with a large signal network analyzer

SJ Doo, P Roblin, GH Jessen, RC Fitch… - IEEE Microwave and …, 2006 - ieeexplore.ieee.org
IV knee walk-out in AlGaN/GaN high electron mobility transistors (HEMTs) on a Sapphire
substrate is analyzed using dynamic radio frequency (RF) load-lines acquired with a large …

Systematic study on the self-assembled hexagonal Au voids, nano-clusters and nanoparticles on GaN (0001)

P Pandey, M Sui, MY Li, Q Zhang, ES Kim, J Lee - PloS one, 2015 - journals.plos.org
Au nano-clusters and nanoparticles (NPs) have been widely utilized in various electronic,
optoelectronic, and bio-medical applications due to their great potentials. The size, density …

Structural inhomogeneities and impurity incorporation in growth of high-quality ammonothermal GaN substrates

NA Mahadik, SB Qadri, JA Freitas Jr - Crystal Growth & Design, 2015 - ACS Publications
Ammonothermal Gallium Nitride (GaN) substrates are the most promising substrates for
homoepitaxial growth of GaN films having low dislocation density. Growth-induced structural …

AlN/GaN MOS-HEMTs Technology

S Taking - 2012 - theses.gla.ac.uk
The ever increasing demand for higher power devices at higher frequencies has prompted
much research recently into the aluminium nitride/gallium nitride high electron mobility …

Surface strain and its impact on the electrical resistivity of GaN channel in AlGaN/GaN high electron mobility transistor

NA Mahadik, SB Qadri, MV Rao - Applied Physics Letters, 2008 - pubs.aip.org
Localized strain in AlGaN/GaN high electron mobility transistor (HEMT) device structures
was studied by high resolution x-ray diffraction and rocking curve measurements, and the …

AlGaN/GaN HEMT temperature-dependent large-signal model thermal circuit extraction with verification through advanced thermal imaging

MJ Casto, SR Dooley - 2009 IEEE 10th Annual Wireless and …, 2009 - ieeexplore.ieee.org
Investigation has been done on procedure, development and verification of a large-signal,
temperature-dependent model for aluminum-gallium-nitride/gallium-nitride (AlGaN-GaN) …