Emerging GaN technologies for power, RF, digital, and quantum computing applications: Recent advances and prospects

K Hoo Teo, Y Zhang, N Chowdhury… - Journal of Applied …, 2021 - pubs.aip.org
GaN technology is not only gaining traction in power and RF electronics but is also rapidly
expanding into other application areas including digital and quantum computing electronics …

Next generation electronics on the ultrawide-bandgap aluminum nitride platform

AL Hickman, R Chaudhuri, SJ Bader… - Semiconductor …, 2021 - iopscience.iop.org
Gallium nitride high-electron-mobility transistors (GaN HEMTs) are at a point of rapid growth
in defense (radar, SATCOM) and commercial (5G and beyond) industries. This growth also …

[HTML][HTML] Toward AlGaN channel HEMTs on AlN: Polarization-induced 2DEGs in AlN/AlGaN/AlN heterostructures

J Singhal, R Chaudhuri, A Hickman, V Protasenko… - APL Materials, 2022 - pubs.aip.org
Due to its high breakdown electric field, the ultra-wide bandgap semiconductor AlGaN has
garnered much attention recently as a promising channel material for next-generation high …

N-polar GaN/AlGaN/AlN high electron mobility transistors on single-crystal bulk AlN substrates

E Kim, Z Zhang, J Encomendero, J Singhal… - Applied Physics …, 2023 - pubs.aip.org
Recent observation of high density polarization-induced two-dimensional electron gases in
ultra-thin N-polar GaN layers grown on single-crystal AlN has enabled the development of N …

Microwave and millimeter-wave GaN HEMTs: Impact of epitaxial structure on short-channel effects, electron trap**, and reliability

E Zanoni, C De Santi, Z Gao, M Buffolo… - … on Electron Devices, 2023 - ieeexplore.ieee.org
Application of gallium nitride high-electron-mobility transistors (GaN HEMTs) to millimeter-
wave power amplifiers requires gate length scaling below 150 nm: in order to control short …

Nanometer-thick oxide semiconductor transistor with ultra-high drain current

Z Lin, M Si, V Askarpour, C Niu, A Charnas, Z Shang… - ACS …, 2022 - ACS Publications
High drive current is a critical performance parameter in semiconductor devices for high-
speed, low-power logic applications or high-efficiency, high-power, high-speed radio …

Electron mobility enhancement by electric field engineering of AlN/GaN/AlN quantum-well HEMTs on single-crystal AlN substrates

YH Chen, J Encomendero, C Savant… - Applied Physics …, 2024 - pubs.aip.org
To enhance the electron mobility in quantum-well high-electron-mobility transistors (QW
HEMTs), we investigate the transport properties in AlN/GaN/AlN heterostructures on Al-polar …

2DEG-concentration-modulated high-power-density AlGaN/GaN RF HEMTs

H Zhang, H Wang, M Zhang, L Yang… - IEEE Electron …, 2024 - ieeexplore.ieee.org
Herein, by modulating 2DEG concentration (), a superior GaN RF HEMT with a high-Al-
content AlGaN barrier is reported for high power-density () X-band applications. Thanks to a …

High performance millimeter-wave InAlN/GaN HEMT for low voltage RF applications via regrown Ohmic contact with contact ledge structure

Y Zhou, M Mi, M Yang, Y Han, P Wang, Y Chen… - Applied Physics …, 2022 - pubs.aip.org
Benefitting from regrown Ohmic contact with a contact ledge structure, high performance
millimeter-wave InAlN/GaN HEMT is fabricated to satisfy low voltage RF applications …

High-performance AlN/GaN MISHEMTs on Si with in-situ SiN enhanced ohmic contacts for mobile mm-wave front-end applications

H Du, Z Liu, L Hao, W **ng, H Zhou… - IEEE Electron …, 2023 - ieeexplore.ieee.org
In this letter, we demonstrated an AlN/GaN metal-insulator-semiconductor high electron
mobility transistor (MISHEMT) on a Si substrate with in-situ SiN as gate dielectric with …