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Zinc gallate (ZnGa2...
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Bairagi, SamiranLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
(författare)
Zinc gallate (ZnGa2O4) epitaxial thin films : determination of optical properties and bandgap estimation using spectroscopic ellipsometry
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
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Optica Publishing Group,2022
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:liu-189803
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-189803URI
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https://doi.org/10.1364/OME.462668DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Funding Agencies|Vetenskapsradet [2018-04198]; Stiftelsen foer Strategisk Forskning [2009-00971]; STINT foundation [MG2019-8485]; Wafer Works Corporation; Ministry of Science and Technology [109-2221-E-009-143-MY3, 109-2622-E-009-033, 109-2634-F-009-028, 109-2224-E-009-002, 110-2218-E-A49-020-MBK, 110-2622-8-009-018-SB, 110-2224-E-A49-003, 111-2923-E-A49-003-MY3]; MAtek [2021-T-006]
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Electronic grade ZnGa2O4 epitaxial thin films were grown on c-plane sapphire substrates by metal-organic chemical vapor deposition and investigated using spectroscopic ellipsometry. Their thickness, roughness and optical properties were determined using a Multiple Sample Analysis based approach by the regression analysis of optical model and measured data. These samples were then compared to samples which had undergone ion etching, and it was observed that etching time up to four minutes had no discernible impact on its optical properties. Line shape analysis of resulting absorption coefficient dispersion revealed that ZnGa(2)O(4 )exhibited both direct and indirect interband transitions. The modified Cody formalism was employed to determine their optical bandgaps. These values were found to be in good agreement with values obtained using other popular bandgap extrapolation procedures. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published articles title, journal citation, and DOI.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Hsiao, Ching-LienLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)chihs76
(författare)
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Magnusson, RogerLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)rogma60
(författare)
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Birch, JensLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)jenbi91
(författare)
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Chu, Jinn P.Natl Taiwan Univ Sci & Technol, Taiwan
(författare)
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Tarntair, Fu-GowNatl Yang Ming Chiao Tung Univ, Taiwan
(författare)
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Horng, Ray-HuaNatl Taiwan Univ Sci & Technol, Taiwan; Natl Yang Ming Chiao Tung Univ, Taiwan
(författare)
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Järrendahl, KennethLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)kenja53
(författare)
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Linköpings universitetTunnfilmsfysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Optical Materials Express: Optica Publishing Group12:8, s. 3284-32952159-3930
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