Recent advances in NiO/Ga2O3 heterojunctions for power electronics

X Lu, Y Deng, Y Pei, Z Chen… - Journal of Semiconductors, 2023 - iopscience.iop.org
Beta gallium oxide (β-Ga 2 O 3) has attracted significant attention for applications in power
electronics due to its ultra-wide bandgap of~ 4.8 eV and the large critical electric field of 8 …

Recent Advanced Ultra‐Wide Bandgap β‐Ga2O3 Material and Device Technologies

S Sun, C Wang, S Alghamdi, H Zhou… - Advanced Electronic …, 2025 - Wiley Online Library
Abstract Gallium oxide (Ga2O3) is an emerging ultra‐wide bandgap (UWBG) semiconductor
material that has gained significant attention in the field of high voltage and high frequency …

Bandgap Engineering and Oxygen Vacancy Defect Electroactivity Inhibition in Highly Crystalline N-Alloyed Ga2O3 Films through Plasma-Enhanced Technology

H He, C Wu, H Hu, S Wang, F Zhang… - The Journal of …, 2023 - ACS Publications
Previous research has shown that the hybridization of N 2p and O 2p orbitals effectively
suppresses the electrical activity of oxygen vacancies in oxide semiconductors. However …

Demonstration of 4.7 kV breakdown voltage in NiO/β-Ga2O3 vertical rectifiers

JS Li, CC Chiang, X ** in β-Ga 2 O 3, NiO/β-Ga 2 O 3 heterojunction becomes
a promising candidate for fabricating bipolar devices. In this work, we performed a …

Effect of drift layer do** and NiO parameters in achieving 8.9 kV breakdown in 100 μm diameter and 4 kV/4 A in 1 mm diameter NiO/β-Ga2O3 rectifiers

JS Li, CC Chiang, X ** in the drift layer and the thickness and extent of extension beyond the
cathode contact of a NiO bilayer in vertical NiO/β-Ga 2 O 3 rectifiers is reported. Decreasing …

Reproducible NiO/Ga2O3 Vertical Rectifiers with Breakdown Voltage > 8 kV

JS Li, HH Wan, CC Chiang, X **a, TJ Yoo, H Kim… - Crystals, 2023 - mdpi.com
Optimized vertical heterojunction rectifiers with a diameter of 100 µm, consisting of sputter-
deposited p-type NiO forming ap–n junction with thick (10 µm) Ga2O3 drift layers grown by …