Study on the optical properties of β-Ga2O3 films grown by MOCVD
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-6882-x
Abstract: Abstractβ-Ga2O3 films were grown on c-plane sapphire substrates at different substrate temperatures by metal-organic chemical vapor deposition. The effects of substrate temperature on transparence, optical band gap and photoluminescence of the films were studied systematically.… read more here.
Keywords: temperature; study optical; optical properties; ga2o3 films ... See more keywords
Effect of different substrates on Si and Ta co-doped Ga2O3 films prepared by pulsed laser deposition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2019.125455
Abstract: Abstract In this study, the structure, morphology, electrical and optical properties of Si and Ta co-doped gallium oxide (Ga2O3) films deposited on (1 0 0) Ga2O3, (0 0 0 1) sapphire and quartz substrates by pulsed laser deposition are analyzed.… read more here.
Keywords: laser deposition; ga2o3 films; doped ga2o3; substrates doped ... See more keywords
Solar-blind ultraviolet photodetectors based on homoepitaxial β-Ga2O3 films
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials"
DOI: 10.1016/j.optmat.2021.111665
Abstract: Abstract β gallium oxide (β-Ga2O3) is a promising material for the detection of solar-blind ultraviolet (SBUV). The quality of β-Ga2O3 crystal has a crucial influence on the performance of the photodetectors (PDs). In this paper,… read more here.
Keywords: ga2o3; ga2o3 films; solar blind; homoepitaxial ga2o3 ... See more keywords
Efficient pure green emission from Er-doped Ga2O3 films
Sign Up to like & getrecommendations! Published in 2017 at "CrystEngComm"
DOI: 10.1039/c7ce00553a
Abstract: This study briefly reviews effect of the doping content on the structure, surface morphology, and optical properties of Er-doped Ga2O3 films on sapphire and Si substrates grown via pulsed laser deposition. Temperature insensitive pure green… read more here.
Keywords: pure; pure green; green emission; ga2o3 films ... See more keywords
Evolution of optical properties and band structure from amorphous to crystalline Ga2O3 films
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5021867
Abstract: The optical properties and band structure evolution from amorphous to crystalline Ga2O3 films was investigated in this work. Amorphous and crystalline Ga2O3 films were obtained by changing the growth substrate temperatures of pulsed laser deposition… read more here.
Keywords: crystalline ga2o3; amorphous crystalline; ga2o3 films; spectroscopy ... See more keywords
High resistivity halide vapor phase homoepitaxial β-Ga2O3 films co-doped by silicon and nitrogen
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5045601
Abstract: Semi-insulating halide vapor phase epitaxial β-Ga2O3 films without intentional dopants introduced during growth are demonstrated. The sheet resistance measured in the 340–480 K range yielded 268–134 kΩ/◻ and an activation energy of 0.81 eV. Room temperature capacitance-voltage measurements… read more here.
Keywords: halide vapor; vapor phase; ga2o3 films; spectroscopy ... See more keywords
γ-phase inclusions as common structural defects in alloyed β-(AlxGa1−x)2O3 and doped β-Ga2O3 films
Sign Up to like & getrecommendations! Published in 2021 at "APL Materials"
DOI: 10.1063/5.0038861
Abstract: β-Ga2O3 is a promising ultra-wide bandgap semiconductor whose properties can be further enhanced by alloying with Al. Here, using atomic-resolution scanning transmission electron microscopy, we find the thermodynamically unstable γ-phase is a ubiquitous structural defect… read more here.
Keywords: phase inclusions; phase; alxga1 2o3; ga2o3 films ... See more keywords
Deep UV transparent conductive Si-doped Ga2O3 thin films grown on Al2O3 substrates
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0147004
Abstract: β-Ga2O3 is attracting considerable attention for applications in power electronics and deep ultraviolet (DUV) optoelectronics owing to the ultra-wide bandgap of 4.85 eV and amendable n-type conductivity. In this work, we report the achievement of Si-doped… read more here.
Keywords: doped ga2o3; thin films; films grown; ga2o3 films ... See more keywords
Thermal stability and phase transformation of α-, κ(ε)-, and γ-Ga2O3 films under different ambient conditions
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0214500
Abstract: Phase transitions in metastable α-, κ(ε)-, and γ-Ga2O3 films to thermodynamically stable β-Ga2O3 during annealing in air, N2, and vacuum have been systematically investigated via in situ high-temperature x-ray diffraction (HT-XRD) and scanning electron microscopy… read more here.
Keywords: ga2o3; ambient conditions; thermal stability; ga2o3 films ... See more keywords
Size effects and temperature dependence in the thermal conductivity of γ-Ga2O3 films
Sign Up to like & getrecommendations! Published in 2025 at "Applied Physics Letters"
DOI: 10.1063/5.0270256
Abstract: The thermal conductivities of (100) γ-Ga2O3 films deposited on (100) MgAl2O4 substrates with various thicknesses were measured using frequency-domain thermoreflectance. The measured thermal conductivities of γ-Ga2O3 films are lower than the thermal conductivities of (2¯ 01)… read more here.
Keywords: size; conductivity; thermal conductivity; ga2o3 films ... See more keywords
Structural evolution and nucleation dynamics of RF sputtered Ga2O3 films on Ru(0001): The impact of deposition temperature and Ru surface morphology
Sign Up to like & getrecommendations! Published in 2025 at "APL Materials"
DOI: 10.1063/5.0270431
Abstract: The use of Ru(0001) films as substrates on α-Al2O3(0001) substrates for radio-frequency magnetron sputter deposition of gallium oxide (Ga2O3) thin films is investigated regarding its dependence on the Ru film roughness; gallium oxide deposition temperature,… read more here.
Keywords: ga2o3; deposition temperature; deposition; surface ... See more keywords