Sympetalous defects in metalorganic vapor phase epitaxy (MOVPE)-grown homoepitaxial β-Ga2O3 films

J Cooke, P Ranga, A Bhattacharyya, X Cheng… - Journal of Vacuum …, 2023 - pubs.aip.org
We report a new type of structural defect in β-Ga 2 O 3 homoepitaxial thin films grown by
metalorganic vapor phase epitaxy, which we have dubbed as “sympetalous defects.” These …

Investigation of the surface band structure and the evolution of defects in β-(AlxGa1− x) 2O3

J Li, XH Chen, JG Hao, FF Ren, SL Gu… - Applied Physics Letters, 2024 - pubs.aip.org
This study examines the electronic and luminescent properties of β-(Al x Ga 1− x) 2 O 3 (0≤
x≤ 0.42) thin films grown on (0001) sapphire using laser-MBE, with a focus on the evolution …

Polarized photoluminescence from Sn, Fe, and unintentionally doped β-Ga2O3

J Cooke, M Lou, MA Scarpulla… - Journal of Vacuum …, 2024 - pubs.aip.org
In this work, we demonstrate that β-Ga 2 O 3 shows orientation-dependent polarized
photoluminescence (PL) emission and give a comprehensive insight into gallium oxide's PL …

The influence of deposition conditions on the surface morphology and luminescent properties of (Y0.06Ga0.94)2O3:Cr thin films

OM Bordun, II Medvid, MV Protsak… - … Crystals and Liquid …, 2024 - Taylor & Francis
Abstract Thin films of (Y0. 06Ga0. 94) 2O3: Cr were obtained by radio-frequency (RF) ion-
plasma sputtering in an argon atmosphere on polycrystalline polycor and amorphous υ …

Optimization of Ultrawide Bandgap Semiconductor Materials for Heterostructure Field Effect Transistors (HFETs)

MU Jewel - 2023 - search.proquest.com
Ultra-wide bandgap (UWBG) gallium oxide (Ga 2 O 3), and aluminum gallium oxide (Al x Ga
1-x) 2 O 3 materials with bandgap EG≥ 4.8 eV are promising for heterostructure field effect …

Optical and Structural Properties of Gallium Oxide and Aluminum Gallium Oxide Alloys: A Characterization of the Effects of Extended Defects

JA Cooke - 2022 - search.proquest.com
Monoclinic gallium oxide (β-Ga2O3) is a thermally and chemically stable wide bandgap
semiconductor material that is of interest for various electrical and optical applications. But …