Vertical PtOx/Pt/β-Ga2O3 Schottky diodes with high permittivity dielectric field plate for low leakage and high breakdown voltage

E Farzana, S Roy, NS Hendricks… - Applied Physics …, 2023 - pubs.aip.org
We demonstrate Schottky barrier engineering using PtO x/thin Pt Schottky contacts
combined with edge termination using a high permittivity dielectric (ZrO 2) field-plate for high …

Ultra-low reverse leakage in large area kilo-volt class β-Ga2O3 trench Schottky barrier diode with high-k dielectric RESURF

S Roy, B Kostroun, J Cooke, Y Liu… - Applied Physics …, 2023 - pubs.aip.org
We introduce vertical Schottky barrier diodes (SBDs) based on β-Ga 2 O 3 with trench
architecture, featuring a high-permittivity dielectric RESURF structure. These diodes are …

Barrier height enhancement in β-Ga2O3 Schottky diodes using an oxygen-rich ultra-thin AlOx interfacial layer

P Prajapati, S Lodha - Applied Physics Letters, 2024 - pubs.aip.org
Schottky barrier height (SBH) enhancement directly translates into increased breakdown
voltage (V BR) of β-Ga 2 O 3 Schottky barrier diodes (SBDs). In this work, ultra-thin (5, 10 …

On the successful growth of bulk gallium oxide crystals by the EFG (Stepanov) method

DA Bauman, DI Panov, VA Spiridonov… - Functional Materials …, 2023 - World Scientific
Bulk crystals of β-Ga2O3 were successfully grown by the EFG (Stepanov) method. Analysis
of the material using an X-ray diffraction showed the high crystalline quality of the obtained …

Low QCVF 20A/1.4kV β-Ga2O3 Vertical Trench High-k RESURF Schottky Barrier Diode with Turn-on Voltage of 0.5V

S Roy, B Kostroun, Y Liu, J Cooke… - IEEE Electron …, 2024 - ieeexplore.ieee.org
We present a-Ga2O3 Trench Schottky Barrier Diode (SBD) featuring a high-permittivity (high-
k) dielectric RESURF and an atomic layer-deposited (ALD) Ru anode contact to engineer …

Vertical Vertical β-Ga₂O₃ Power Diodes: From Interface Engineering to Edge Termination

J Wen, W Hao, Z Han, F Wu, Q Li, J Liu… - … on Electron Devices, 2024 - ieeexplore.ieee.org
Ultra wide bandgap semiconductor beta-gallium oxide (-Ga2O3) has the potential in
fabricating the next generation of power devices applied at high temperature and high …

[PDF][PDF] Vertical β-Ga2O3 power electronics

G Xu, F Wu, Q Liu, Z Han, W Hao, J Zhou, X Zhou… - J. Semicond, 2023 - researching.cn
β-Ga2O3 possesses a highly promising critical electric field of 8 MV/cm, allowing devices
with improved performance compared with other wide bandgap materials [1, 2]. The 4-inch …

Fast switching Ga2O3 Schottky barrier power diode with beveled-mesa and BaTiO3 field plate edge termination

N Sun, HH Gong, TC Hu, F Zhou, ZP Wang… - Applied Physics …, 2024 - pubs.aip.org
Power devices rely on ideal edge termination to suppress the electric field crowding and
avoid premature breakdown before the material's critical field is reached. In this work, a …

Deep-level transient spectroscopy of defect states at p-type oxide/β-Ga2O3 heterojunctions

Y Jia, A Traoré, R Morita, FF Florena, MM Islam… - Applied Physics …, 2024 - pubs.aip.org
Defects in p-type oxide/β-Ga 2 O 3 heterojunction diodes were investigated using p-type Cu
2 O as a case study. Diodes with polycrystalline and epitaxial Cu 2 O films were analyzed …

Hybrid Schottky and heterojunction vertical β-Ga 2 O 3 rectifiers

JS Li, CC Chiang, HH Wan, M Labed… - Journal of Materials …, 2024 - pubs.rsc.org
Junction barrier Schottky design Ga2O3 rectifiers allow for a combination of low turn-on
voltage and high breakdown voltage. Ni/Au/Ga2O3 Schottky rectifiers and NiO/Ga2O3 …