Effect of extended defects on photoluminescence of gallium oxide and aluminum gallium oxide epitaxial films

J Cooke, P Ranga, J Jesenovec, JS McCloy… - Scientific Reports, 2022 - nature.com
In this work, a systematic photoluminescence (PL) study on three series of gallium
oxide/aluminum gallium oxide films and bulk single crystals is performed including …

Selective high-resistance zones formed by oxygen annealing for-GaO Schottky diode applications

Q He, X Zhou, Q Li, W Hao, Q Liu, Z Han… - IEEE Electron …, 2022 - ieeexplore.ieee.org
Selective area doping technique is essential for diversifying semiconductor device
structures. In this letter, selective high-resistance zones on-Ga2O3 wafers were successfully …

Crystal growth and design of Sn-doped β-Ga2O3: Morphology, defect and property studies of cylindrical crystal by EFG

B Fu, G Jian, W Mu, Y Li, H Wang, Z Jia, Y Li… - Journal of Alloys and …, 2022 - Elsevier
Abstract The cylindrical Sn: β-Ga 2 O 3 crystal with high crystalline quality was successfully
designed and grown by the innovative edge-defined film-fed growth (EFG) method equipped …

High temperature annealing on vertical pn junction p-NiO/n-β-Ga2O3 nanowire arrays for high performance UV photodetection

MC Pedapudi, JC Dhar - Materials Science in Semiconductor Processing, 2023 - Elsevier
The authors of this article reported the effects of annealing on performance of GLAD
synthesized vertical p-NiO/n-β-Ga 2 O 3 heterostructure (HS) nanowire (NW) arrays based …

Photodarkening and dopant segregation in Cu-doped β-Ga2O3 Czochralski single crystals

J Jesenovec, C Remple, J Huso, B Dutton… - Journal of Crystal …, 2022 - Elsevier
Abstract β-Ga 2 O 3 has demonstrated insulating properties with Mg, Fe, and Zn acceptor
doping. Here we investigate Cu doping (0.25 at.%) in bulk Czochralski (CZ) and vertical …

Thermal mismatch engineering induced freestanding and ultrathin Ga2O3 membrane for vertical electronics

Y Lu, X Zou, S Krishna, X Tang, Z Liu, M Nong… - Materials Today …, 2023 - Elsevier
Inevitable thermal-expansion-coefficient mismatch at the interface of epitaxial-layer/foreign-
substrate is generally considered as a weak side since considerable strain would be …

Hydrogen centers as a probe of VGa (2) defects in β-Ga2O3

A Portoff, M Stavola, WB Fowler, SJ Pearton… - Applied Physics …, 2023 - pubs.aip.org
While a number of OH and OD vibrational lines have been observed for hydrogen and
deuterium in b-Ga2O3, it has been commonly reported that there is no absorption with a …

A benchmark study on tetravalent ion doping in heteroepitaxial β-Ga2O3 films fabricated by pulsed laser deposition

N Liu, H Lin, W Zhang, J Ye - Materials Science in Semiconductor …, 2023 - Elsevier
Tetravalent ion doping is widely used in modulate the electrical properties of β-Ga 2 O 3, but
the effectiveness of different dopants and the transport behavior vary significantly among …

A Review of β-Ga2O3 Power Diodes

Y He, F Zhao, B Huang, T Zhang, H Zhu - Materials, 2024 - mdpi.com
As the most stable phase of gallium oxide, β-Ga2O3 can enable high-quality, large-size, low-
cost, and controllably doped wafers by the melt method. It also features a bandgap of 4.7 …

[HTML][HTML] Zinc–hydrogen and zinc–iridium pairs in β-Ga2O3

C Pansegrau, J Jesenovec, JS McCloy… - Applied Physics …, 2021 - pubs.aip.org
Zinc-doped monoclinic gallium oxide (β-Ga 2 O 3: Zn) has semi-insulating properties that
could make it a preferred material as a substrate for power devices. Infrared and UV/Visible …