Recent progress of Ga2O3 power technology: large-area devices, packaging and applications

Y Qin, Z Wang, K Sasaki, J Ye… - Japanese Journal of …, 2023‏ - iopscience.iop.org
Benefitted from progress on the large-diameter Ga 2 O 3 wafers and Ga 2 O 3 processing
techniques, the Ga 2 O 3 power device technology has witnessed fast advances toward …

A strategic review on gallium oxide based power electronics: Recent progress and future prospects

D Kaur, A Ghosh, M Kumar - Materials Today Communications, 2022‏ - Elsevier
Silicon based power devices have limited capabilities in terms of voltage handling and
switching speeds, leading to rampant research in the field of next generation wide bandgap …

An avalanche-and-surge robust ultrawide-bandgap heterojunction for power electronics

F Zhou, H Gong, M **ao, Y Ma, Z Wang, X Yu… - Nature …, 2023‏ - nature.com
Avalanche and surge robustness involve fundamental carrier dynamics under high electric
field and current density. They are also prerequisites of any power device to survive …

1.37 kV/12 A NiO/β-Ga2O3 Heterojunction Diode With Nanosecond Reverse Recovery and Rugged Surge-Current Capability

H Gong, F Zhou, W Xu, X Yu, Y Xu… - … on Power Electronics, 2021‏ - ieeexplore.ieee.org
Ga 2 O 3 power diodes with high voltage/current ratings, superior dynamic performance,
robust reliability, and potentially easy-to-implement are a vital milestone on the Ga 2 O 3 …

Demonstration of β-Ga2O3 Junction Barrier Schottky Diodes With a Baliga's Figure of Merit of 0.85 GW/cm2 or a 5A/700 V Handling Capabilities

Y Lv, Y Wang, X Fu, S Dun, Z Sun, H Liu… - … on Power Electronics, 2020‏ - ieeexplore.ieee.org
In this article, we report on demonstrating the first vertical β-Ga 2 O 3 junction barrier
Schottky (JBS) diode with the implementation of thermally oxidized p-type NiO to …

1.95-kV Beveled-Mesa NiO/β-Ga2O3 Heterojunction Diode With 98.5% Conversion Efficiency and Over Million-Times Overvoltage Ruggedness

F Zhou, H Gong, W Xu, X Yu, Y Xu… - … on Power Electronics, 2021‏ - ieeexplore.ieee.org
The technical progress of Ga 2 O 3 power diodes is now stuck at a critical point where a lack
of performance evaluation and reliability validation at the system-level applications seriously …

Performance limiting inhomogeneities of defect states in ampere-class Ga2O3 power diodes

ZP Wang, N Sun, XX Yu, HH Gong, XL Ji… - Applied Physics …, 2024‏ - pubs.aip.org
Impacts of spatial charge inhomogeneities on carrier transport fluctuations and premature
breakdown were investigated in Schottky ampere-class Ga 2 O 3 power diodes. Three …

Superior high temperature performance of 8 kV NiO/Ga 2 O 3 vertical heterojunction rectifiers

JS Li, CC Chiang, X **a, HH Wan, F Ren… - Journal of Materials …, 2023‏ - pubs.rsc.org
NiO/β-Ga2O3 vertical rectifiers exhibit near-temperature-independent breakdown voltages
(VB) of> 8 kV to 600 K. For 100 μm diameter devices, the power figure of merit (VB) 2/RON …

Packaged Ga2O3 Schottky Rectifiers With Over 60-A Surge Current Capability

M **ao, B Wang, J Liu, R Zhang… - … on Power Electronics, 2021‏ - ieeexplore.ieee.org
Ultrawide-bandgap gallium oxide (Ga 2 O 3) devices have recently emerged as promising
candidates for power electronics; however, the low thermal conductivity (k T) of Ga 2 O 3 …

Large-size (1.7× 1.7 mm2) β-Ga2O3 field-plated trench MOS-type Schottky barrier diodes with 1.2 kV breakdown voltage and 109 high on/off current ratio

F Otsuka, H Miyamoto, A Takatsuka… - Applied Physics …, 2021‏ - iopscience.iop.org
We fabricated high forward and low leakage current trench MOS-type Schottky barrier
diodes (MOSSBDs) in combination with a field plate on a 12 μm thick epitaxial layer grown …