Dynamic on-resistance in GaN power devices: Mechanisms, characterizations, and modeling

S Yang, S Han, K Sheng… - IEEE Journal of Emerging …, 2019 - ieeexplore.ieee.org
Gallium nitride (GaN) power devices enable power electronic systems with enhanced power
density and efficiency. Dynamic on-resistance (R ON) degradation (or current collapse) …

Microwave diamond devices technology: field‐effect transistors and modeling

Z Chen, Y Fu, H Kawarada, Y Xu - International Journal of …, 2021 - Wiley Online Library
This paper provides an overview of the developments in microwave diamond field‐effect
transistor (D‐FET) technologies. Due to the ultrawide‐bandgap and high carrier velocity and …

AlGaN/GaN MIS-HEMTs With High Quality ALD-Al2O3 Gate Dielectric Using Water and Remote Oxygen Plasma As Oxidants

HC Wang, TE Hsieh, YC Lin, QH Luc… - IEEE Journal of the …, 2017 - ieeexplore.ieee.org
We demonstrate the electrical performances of AlGaN/GaN metal-insulator-semiconductor-
high electron mobility transistors (MIS-HEMTs) with high quality Al 2 O 3 gate dielectric …

Temperature-dependent hot electron effects and degradation mechanisms in 650-V GaN-based MIS-HEMT power devices under hard switching operations

F Li, R Wang, H Huang, Y Ren, Z Liang… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
This article proposed a hard switching high-temperature reverse bias (HS-HTRB) stress test
method with a high measurement delay tolerance to study the impacts and mechanisms of …

Modelling and quantification of power losses due to dynamic on-state resistance of GaN E-mode HEMT

OC Spro, D Peftitsis, OM Midtgard… - 2017 IEEE 18th …, 2017 - ieeexplore.ieee.org
This paper investigates a method for quantifying the additional losses in high-voltage GaN
enhancement mode HEMTs (eHEMT) employed in converter applications. The additional …

Investigation of the threshold voltage instability in normally-off p-GaN/AlGaN/GaN HEMTs by optical analysis

H Wang, Y Liu, F Ji, H Li, B Li… - Japanese Journal of …, 2021 - iopscience.iop.org
A normally-off p-GaN/AlGaN/GaN high-electron-mobility transistor (p-GaN HEMTs) with a
semitransparent gate electrode was investigated. Under forward gate bias …

A novel technology for turn-on voltage reduction of high-performance lateral heterojunction diode with source-gate shorted anode

Z Wang, D Yang, J Cao, F Wang, Y Yao - Superlattices and Microstructures, 2019 - Elsevier
A novel lateral heterojunction diode with a low turn-on voltage is proposed in this paper.
Verified by theoretical analysis and simulations, it is partially relaxed InGaN channel that …

Wafer-Level Dynamic On-Resistance Testing and Characterization of GaN HEMTs

M Sharma, R Strittmatter, WC Liao… - 2024 IEEE 11th …, 2024 - ieeexplore.ieee.org
On-resistance (R_DSon) is a critical parameter in the performance and reliability of Gallium
Nitride (GaN) devices. This paper introduces a novel on-wafer test system designed to …

Effects of SiON/III-nitride interface properties on device performances of GaN-based power field-effect transistors

Z Sun, H Huang, R Wang, Y Liu, N Sun… - Journal of Physics D …, 2020 - iopscience.iop.org
In this work, we performed an investigation on the electrical characteristics of the interfaces
of SiON/AlGaN and SiON/GaN by fabricating a partially gate-recessed metal-insulator …

The Impact of AlGaN Barrier on Transient VTH Shifts and VTH Hysteresis in Depletion and Enhancement mode AlGaN/GaN MIS-HEMTs

B Lu, M Cui, W Liu - … International Conference on IC Design and …, 2019 - ieeexplore.ieee.org
The threshold voltage instability in AlGaN/GaN MIS-HEMTs is due to dielectric induced
traps. In this paper, DC IV and fast transient IV measurements were used to characterize the …