Ultrawide‐bandgap semiconductors: research opportunities and challenges

JY Tsao, S Chowdhury, MA Hollis… - Advanced Electronic …, 2018 - Wiley Online Library
Abstract Ultrawide‐bandgap (UWBG) semiconductors, with bandgaps significantly wider
than the 3.4 eV of GaN, represent an exciting and challenging new area of research in …

[HTML][HTML] β-Gallium oxide power electronics

AJ Green, J Speck, G Xing, P Moens, F Allerstam… - Apl Materials, 2022 - pubs.aip.org
Gallium Oxide has undergone rapid technological maturation over the last decade, pushing
it to the forefront of ultra-wide band gap semiconductor technologies. Maximizing the …

[HTML][HTML] A perspective on the electro-thermal co-design of ultra-wide bandgap lateral devices

S Choi, S Graham, S Chowdhury, ER Heller… - Applied Physics …, 2021 - pubs.aip.org
Fundamental research and development of ultra-wide bandgap (UWBG) semiconductor
devices are under way to realize next-generation power conversion and wireless …

Integration of boron arsenide cooling substrates into gallium nitride devices

JS Kang, M Li, H Wu, H Nguyen, T Aoki, Y Hu - Nature Electronics, 2021 - nature.com
Thermal management is critical in modern electronic systems. Efforts to improve heat
dissipation have led to the exploration of novel semiconductor materials with high thermal …

Nanoscale electro-thermal interactions in AlGaN/GaN high electron mobility transistors

B Chatterjee, C Dundar, TE Beechem… - Journal of Applied …, 2020 - pubs.aip.org
Self-heating in AlGaN/GaN high electron mobility transistors (HEMTs) negatively impacts
device performance and reliability. Under nominal operating conditions, a hot-spot in the …

Ultra-Wide Band Gap Ga2O3-on-SiC MOSFETs

Y Song, A Bhattacharyya, A Karim… - … Applied Materials & …, 2023 - ACS Publications
Ultra-wide band gap semiconductor devices based on β-phase gallium oxide (Ga2O3) offer
the potential to achieve higher switching performance and efficiency and lower …

A review of thermoreflectance techniques for characterizing wide bandgap semiconductors' thermal properties and devices' temperatures

C Yuan, R Hanus, S Graham - Journal of Applied Physics, 2022 - pubs.aip.org
Thermoreflectance-based techniques, such as pump–probe thermoreflectance (pump–
probe TR) and thermoreflectance thermal imaging (TTI), have emerged as the powerful and …

A review of Raman thermography for electronic and opto-electronic device measurement with submicron spatial and nanosecond temporal resolution

M Kuball, JW Pomeroy - IEEE Transactions on Device and …, 2016 - ieeexplore.ieee.org
We review the Raman thermography technique, which has been developed to determine the
temperature in and around the active area of semiconductor devices with submicron spatial …

Diamond-incorporated flip-chip integration for thermal management of GaN and ultra-wide bandgap RF power amplifiers

D Shoemaker, M Malakoutian… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
GaN radio frequency (RF) power amplifiers offer many benefits including high power
density, reduced device footprint, high operating voltage, and excellent gain and power …

A review of direct drive proportional electrohydraulic spool valves: industrial state-of-the-art and research advancements

P Tamburrano, AR Plummer… - Journal of …, 2019 - asmedigitalcollection.asme.org
This paper reviews the state of the art of directly driven proportional directional hydraulic
spool valves, which are widely used hydraulic components in the industrial and …