Redshift and amplitude increase in the dielectric function of corundum-like α-(TixGa1−x)2O3 Article Swipe
Elias Kluth
,
Michael W. Fay
,
Christopher Parmenter
,
Joseph W. Roberts
,
Emily F. Smith
,
Craig T. Stoppiello
,
Fabien Massabuau
,
R. Goldhahn
,
Martin Feneberg
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1063/5.0139725
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1063/5.0139725
Redshift of the absorption onset and amplitude increase in the ultraviolet complex dielectric function (DF) of corundum-like α-(TixGa1−x)2O3 with increasing Ti content is presented. α-Ga2O3 thin film samples alloyed with Ti up to x=0.61 are grown from plasma enhanced atomic layer deposition. They are characterized by ultraviolet spectroscopic ellipsometry, transmission electron microscopy, and x-ray photoelectron spectroscopy (XPS). The samples are shown to be crystalline up to x=0.053. Ellipsometry is employed to obtain the ordinary complex DF, where the absorption onset shows a strong red shift with increasing Ti content as well as an increase in amplitude, which is associated with a successive take over of Ti related 3d-states in the density-of-states. Valence band XPS results lead to the conclusion that the strong red shift in the absorption onset with increasing Ti content is mainly due to conduction band lowering and less from the valence band.
Related Topics
Concepts
X-ray photoelectron spectroscopy
Corundum
Analytical Chemistry (journal)
Ellipsometry
Valence (chemistry)
Materials science
Redshift
Nanoclusters
Dielectric
Absorption spectroscopy
Valence electron
Thin film
Electron
Chemistry
Nuclear magnetic resonance
Optics
Optoelectronics
Astrophysics
Physics
Nanotechnology
Chromatography
Organic chemistry
Quantum mechanics
Metallurgy
Galaxy
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1063/5.0139725
- https://aip.scitation.org/doi/pdf/10.1063/5.0139725
- OA Status
- hybrid
- Cited By
- 1
- References
- 56
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4322504790
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4322504790Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1063/5.0139725Digital Object Identifier
- Title
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Redshift and amplitude increase in the dielectric function of corundum-like α-(TixGa1−x)2O3Work title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-02-27Full publication date if available
- Authors
-
Elias Kluth, Michael W. Fay, Christopher Parmenter, Joseph W. Roberts, Emily F. Smith, Craig T. Stoppiello, Fabien Massabuau, R. Goldhahn, Martin FenebergList of authors in order
- Landing page
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https://doi.org/10.1063/5.0139725Publisher landing page
- PDF URL
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https://aip.scitation.org/doi/pdf/10.1063/5.0139725Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
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https://aip.scitation.org/doi/pdf/10.1063/5.0139725Direct OA link when available
- Concepts
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X-ray photoelectron spectroscopy, Corundum, Analytical Chemistry (journal), Ellipsometry, Valence (chemistry), Materials science, Redshift, Nanoclusters, Dielectric, Absorption spectroscopy, Valence electron, Thin film, Electron, Chemistry, Nuclear magnetic resonance, Optics, Optoelectronics, Astrophysics, Physics, Nanotechnology, Chromatography, Organic chemistry, Quantum mechanics, Metallurgy, GalaxyTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
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2024: 1Per-year citation counts (last 5 years)
- References (count)
-
56Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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