Challenges and opportunities for high-power and high-frequency AlGaN/GaN high-electron-mobility transistor (HEMT) applications: A review

M Haziq, S Falina, AA Manaf, H Kawarada, M Syamsul - Micromachines, 2022 - mdpi.com
The emergence of gallium nitride high-electron-mobility transistor (GaN HEMT) devices has
the potential to deliver high power and high frequency with performances surpassing …

GaN-based power high-electron-mobility transistors on Si substrates: from materials to devices

N Wu, Z Xing, S Li, L Luo, F Zeng… - … Science and Technology, 2023 - iopscience.iop.org
Conventional silicon (Si)-based power devices face physical limitations—such as switching
speed and energy efficiency—which can make it difficult to meet the increasing demand for …

Recent developments and prospects of fully recessed MIS gate structures for GaN on Si power transistors

P Fernandes Paes Pinto Rocha, L Vauche… - Energies, 2023 - mdpi.com
For high electron mobility transistors (HEMTs) power transistors based on AlGaN/GaN
heterojunction, p-GaN gate has been the gate topology commonly used to deplete the two …

Positive Threshold Voltage Shift in AlGaN/GaN HEMTs and E-Mode Operation By O Based Gate Stack Engineering

SD Gupta, A Soni, V Joshi, J Kumar… - … on Electron Devices, 2019 - ieeexplore.ieee.org
In this paper, for the first time, we have experimentally demonstrated enhancement mode (e-
mode) AlGaN/GaN high-electron-mobility transistor (HEMT) operation by integrating p-type …

Enhanced performances of AlGaN/GaN HEMTs with dielectric engineering of HfZrOx

X Cui, W Cheng, Q Hua, R Liang, W Hu, ZL Wang - Nano Energy, 2020 - Elsevier
III-nitrides based high electron-mobility transistors (HEMTs) are well-known excellent
candidates for high-power, radio-frequency (rf) and high-temperature applications. However …

Distinguishing various influences on the electrical properties of thin-barrier AlGaN/GaN heterojunctions with in-situ SiNx caps

J He, WC Cheng, Y Jiang, M Fan, G Zhou… - Materials Science in …, 2021 - Elsevier
Understanding the individual contributions of the factors that influence the electrical
properties of a material is important for controlling these properties. In this study, the effects …

Design considerations for normally-off operation in Schottky gate p-GaN/AlGaN/GaN HEMTs

H Tokuda, JT Asubar, M Kuzuhara - Japanese Journal of Applied …, 2020 - iopscience.iop.org
Abstract Design criteria for normally-off operation in Schottky gate p-GaN/AlGaN/GaN
HEMTs have been investigated. The threshold voltage (V th) of this structure is determined …

[HTML][HTML] Investigation of ALD HfSiOx as gate dielectric on β-Ga2O3 (001)

X Zhai, Z Wen, O Odabasi, E Achamyeleh… - Applied Physics …, 2024 - pubs.aip.org
The interface and bulk properties of∼ 20 nm hafnium-silicon-oxide (HfSiO x) dielectric
deposited by atomic layer deposition (ALD) on (001) β-Ga 2 O 3 were investigated …

[HTML][HTML] Gate controllability of HfSiOx/AlGaN/GaN MOS high-electron-mobility transistor

R Ochi, E Maeda, T Nabatame, K Shiozaki, T Sato… - AIP Advances, 2020 - pubs.aip.org
Hafnium silicate (HfSiO x) has been applied to AlGaN/GaN high-electron-mobility transistors
(HEMTs) as a high κ gate dielectric. The (HfO 2)/(SiO 2) laminate structure was deposited on …

Performance Enhancement in N2 Plasma Modified AlGaN/AlN/GaN MOS-HEMT Using HfAlOX Gate Dielectric with Γ-Shaped Gate Engineering

SK Yang, S Mazumder, ZG Wu, YH Wang - Materials, 2021 - mdpi.com
In this paper, we have demonstrated the optimized device performance in the Γ-shaped gate
AlGaN/AlN/GaN metal oxide semiconductor high electron mobility transistor (MOS-HEMT) by …