Vertical GaN MOSFET power devices

C Langpoklakpam, AC Liu, YK Hsiao, CH Lin, HC Kuo - Micromachines, 2023 - mdpi.com
Gallium nitride (GaN) possesses remarkable characteristics such as a wide bandgap, high
critical electric field, robust antiradiation properties, and a high saturation velocity for high …

Vertical GaN and Vertical Ga2O3 Power Transistors: Status and Challenges

C Gupta, SS Pasayat - physica status solidi (a), 2022 - Wiley Online Library
Wide bandgap (WBG) semiconductors such as gallium nitride (GaN) and silicon carbide
(SiC) are rapidly making inroads into the power semiconductor markets dominated by the …

702.3 A·cm⁻²/10.4 mΩ·cm² β-Ga₂O₃ U-Shape Trench Gate MOSFET With N-Ion Implantation

Y Ma, X Zhou, W Tang, X Zhang, G Xu… - IEEE Electron …, 2023 - ieeexplore.ieee.org
High-performance-Ga2O3 U-shaped trench-gate metal-oxide-semiconductor field-effect
transistor (UMOSFET) has been demonstrated. Nitrogen ions implantation was employed to …

Overview of wide/ultrawide bandgap power semiconductor devices for distributed energy resources

SK Mazumder, LF Voss, KM Dowling… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
This article provides an overview of power semiconductor devices (PSDs) for the distributed
energy resource (DER) system. To begin with, an overview of electrically triggered silicon …

Experimental evaluation of medium-voltage cascode gallium nitride (GaN) devices for bidirectional DC-DC converters

SS Alharbi, M Matin - CES Transactions on Electrical Machines …, 2021 - ieeexplore.ieee.org
Wide bandgap (WBG) semiconductors, such as silicon carbide (SiC) and gallium nitride
(GaN), exhibit superior physical properties and demonstrate great potential for replacing …

Detection of defect levels in vicinity of Al2O3/p-type GaN interface using sub-bandgap-light-assisted capacitance–voltage method

M Akazawa, Y Tamamura, T Nukariya, K Kubo… - Journal of Applied …, 2022 - pubs.aip.org
Defect levels in the vicinity of the Al 2 O 3/p-type GaN interface were characterized using a
sub-bandgap-light-assisted capacitance–voltage (C–V) method. For metal–oxide …

Simulation study of an ultralow switching loss p-GaN gate HEMT with dynamic charge storage mechanism

F Wang, W Chen, X Xu, R Sun, Z Wang… - … on Electron Devices, 2020 - ieeexplore.ieee.org
In this article, a dynamic charge storage mechanism is proposed for designing the p-GaN
gate dynamic charge storage high-electron-mobility transistor (DCS-HEMT) with ultralow …

Why do electron traps at EC–0.6 eV have inverse correlation with carbon concentrations in n-type GaN layers?

T Narita, M Horita, K Tomita, T Kachi… - Japanese Journal of …, 2020 - iopscience.iop.org
We found that the graphite elements in a metalorganic vapor phase epitaxy reactor are a
significant source of iron atoms, and lead to the formation of E3 electron traps at an energy …

Suppression of positive bias instability by inserting polarized AlN interlayer at AlSiO/p-type GaN interface in metal–oxide–semiconductor field-effect transistor

H Iguchi, T Narita, K Ito, S Iwasaki, E Kano… - Applied Physics …, 2024 - pubs.aip.org
Bias instability is a critical issue for metal–oxide–semiconductor field-effect transistors
(MOSFETs). This study demonstrates suppression of the positive bias instability of the …

Gate-Bias-Induced Threshold Voltage Shifts in GaN FATFETs

Y Irokawa, K Mitsuishi, T Izumi, J Nishii… - ECS Journal of Solid …, 2023 - iopscience.iop.org
The threshold voltage (V TH) stability in GaN fat field-effect transistors (FATFETs) with a
large channel area of∼ 6.2× 10 4 μm 2 was studied using drain current vs gate voltage (ID …