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 …

Compositionally graded III-nitride alloys: Building blocks for efficient ultraviolet optoelectronics and power electronics

H Zhang, C Huang, K Song, H Yu, C Xing… - Reports on Progress …, 2021 - iopscience.iop.org
Wide bandgap aluminum gallium nitride (AlGaN) semiconductor alloys have established
themselves as the key materials for building ultraviolet (UV) optoelectronic and power …

GaN-based power devices: Physics, reliability, and perspectives

M Meneghini, C De Santi, I Abid, M Buffolo… - Journal of Applied …, 2021 - pubs.aip.org
Over the last decade, gallium nitride (GaN) has emerged as an excellent material for the
fabrication of power devices. Among the semiconductors for which power devices are …

Thermal management and packaging of wide and ultra-wide bandgap power devices: a review and perspective

Y Qin, B Albano, J Spencer, JS Lundh… - Journal of physics D …, 2023 - iopscience.iop.org
Power semiconductor devices are fundamental drivers for advances in power electronics,
the technology for electric energy conversion. Power devices based on wide-bandgap …

Ultra-wide-bandgap AlGaN power electronic devices

RJ Kaplar, AA Allerman, AM Armstrong… - ECS Journal of Solid …, 2016 - iopscience.iop.org
Abstract" Ultra" wide-bandgap semiconductors are an emerging class of materials with
bandgaps greater than that of gallium nitride (EG> 3.4 eV) that may ultimately benefit a wide …

Ultrawide-bandgap semiconductors: An overview

MH Wong, O Bierwagen, RJ Kaplar… - Journal of Materials …, 2021 - Springer
Ultrawide-bandgap (UWBG) semiconductor technology is presently going through a
renaissance exemplified by advances in material-level understanding, extensions of known …

Progress in efficient doping of high aluminum-containing group III-nitrides

YH Liang, E Towe - Applied Physics Reviews, 2018 - pubs.aip.org
The group III-nitride (InN, GaN, and AlN) class of semiconductors has become one of two
that are critical to a number of technologies in modern life—the other being silicon. Light …

[HTML][HTML] Tunnel-injected sub 290 nm ultra-violet light emitting diodes with 2.8% external quantum efficiency

Y Zhang, Z Jamal-Eddine, F Akyol, S Bajaj… - Applied Physics …, 2018 - pubs.aip.org
We report on the high efficiency tunnel-injected ultraviolet light emitting diodes (UV LEDs)
emitting at 287 nm. Deep UV LED performance has been limited by the severe internal light …

Graded AlGaN channel transistors for improved current and power gain linearity

S Bajaj, Z Yang, F Akyol, PS Park… - … on Electron Devices, 2017 - ieeexplore.ieee.org
We report on the small-signal high frequency characteristics of highly scaled graded AlGaN
channel polarization-doped field-effect transistors (PolFETs) that show constant current gain …

[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 …