[HTML][HTML] β-Gallium oxide power electronics

AJ Green, J Speck, G Xing, P Moens, F Allerstam… - Apl Materials, 2022 - pubs.aip.org
Gallium Oxide has undergone rapid technological maturation over the last decade, pushing
it to the forefront of ultra-wide band gap semiconductor technologies. Maximizing the …

Ga2O3 and Related Ultra-Wide Bandgap Power Semiconductor Oxides: New Energy Electronics Solutions for CO2 Emission Mitigation

Z Chi, JJ Asher, MR Jennings, E Chikoidze… - Materials, 2022 - mdpi.com
Currently, a significant portion (~ 50%) of global warming emissions, such as CO2, are
related to energy production and transportation. As most energy usage will be electrical (as …

A landscape of β-Ga2O3 Schottky power diodes

MH Wong - Journal of Semiconductors, 2023 - iopscience.iop.org
Abstract β-Ga 2 O 3 Schottky barrier diodes have undergone rapid progress in research and
development for power electronic applications. This paper reviews state-of-the-art β-Ga 2 O …

4.4 kV β-Ga2O3 MESFETs with power figure of merit exceeding 100 MW cm− 2

A Bhattacharyya, S Sharma, F Alema… - Applied Physics …, 2022 - iopscience.iop.org
Abstract β-Ga 2 O 3 metal–semiconductor field-effect transistors are realized with superior
reverse breakdown voltages (V BR) and ON currents (I DMAX). A sandwiched SiN x …

β-(Al0.18Ga0.82)2O3/Ga2O3 Double Heterojunction Transistor With Average Field of 5.5 MV/cm

NK Kalarickal, Z Xia, HL Huang… - IEEE Electron …, 2021 - ieeexplore.ieee.org
Maintaining high average fields between the gate and drain is imperative in achieving near
theoretical performance in ultra-wide band gap semiconductors like β-Ga 2 O 3. In this letter …

Multi-kV Class β-Ga₂O₃ MESFETs With a Lateral Figure of Merit Up to 355 MW/cm²

A Bhattacharyya, P Ranga, S Roy… - IEEE Electron …, 2021 - ieeexplore.ieee.org
We demonstrate over 3 kV gate-pad-connected field plated (GPFP) β-Ga 2 O 3 lateral
MESFETs with high lateral figures of merit (LFOM) using metalorganic vapor phase epitaxy …

2.1 kV (001)-β-Ga2O3 vertical Schottky barrier diode with high-k oxide field plate

S Roy, A Bhattacharyya, C Peterson… - Applied Physics …, 2023 - pubs.aip.org
We report a vertical β-Ga2O3 Schottky barrier diode (SBD) with BaTiO3 as field plate oxide
on a low doped thick epitaxial layer exhibiting 2.1 kV breakdown voltage. A thick drift layer of …

High-Mobility Tri-Gate β-Ga2O3 MESFETs With a Power Figure of Merit Over 0.9 GW/cm2

A Bhattacharyya, S Roy, P Ranga… - IEEE Electron …, 2022 - ieeexplore.ieee.org
In this letter, fin-shape tri-gate-Ga2O3 lateral MESFETs are demonstrated with a high power
figure of merit (PFOM) of 0.95 GW/cm2–a record high for any-Ga2O3 transistor to date. A low …

130 mA mm− 1 β-Ga2O3 metal semiconductor field effect transistor with low-temperature metalorganic vapor phase epitaxy-regrown ohmic contacts

A Bhattacharyya, S Roy, P Ranga… - Applied Physics …, 2021 - iopscience.iop.org
We report on the first demonstration of metalorganic vapor phase epitaxy-regrown (MOVPE)
ohmic contacts in an all MOVPE-grown β-Ga 2 O 3 metal semiconductor field effect transistor …

[HTML][HTML] Metalorganic chemical vapor deposition of α-Ga2O3 and α-(AlxGa1− x) 2O3 thin films on m-plane sapphire substrates

AFM Bhuiyan, Z Feng, HL Huang, L Meng, J Hwang… - APL Materials, 2021 - pubs.aip.org
Single α-phase (Al x Ga 1− x) 2 O 3 thin films are grown on m-plane sapphire (α-Al 2 O 3)
substrates via metalorganic chemical vapor deposition. By systematically tuning the growth …