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Elevated temperatur...
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Mock, A.Univ Nebraska, USA
(författare)
Elevated temperature dependence of the anisotropic visible-to-ultraviolet dielectric function of monoclinic beta-Ga2O3
- Artikel/kapitelEngelska2018
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AMER INST PHYSICS,2018
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LIBRIS-ID:oai:DiVA.org:liu-145248
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-145248URI
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https://doi.org/10.1063/1.5010936DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Funding Agencies|National Science Foundation (NSF) through the Center for Nanohybrid Functional Materials [EPS-1004094]; Nebraska Materials Research Science and Engineering Center [DMR-1420645]; Swedish Research Council [VR2013-5580]; Swedish Foundation for Strategic Research (SSF) [FFL12-0181, RIF14-055]; NSF [CMMI 1337856, EAR 1521428]; J. A. Woollam Foundation
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We report on the temperature dependence of the dielectric tensor elements of n-type conductive beta-Ga2O3 from 22 degrees C to 550 degrees C in the spectral range of 1.5 eV-6.4 eV. We present the temperature dependence of the excitonic and band-to-band transition energy parameters using a previously described eigendielectric summation approach [A. Mock et al., Phys. Rev. B 96, 245205 (2017)]. We utilize a Bose-Einstein analysis of the temperature dependence of the observed transition energies and reveal electron coupling with average phonon temperature in excellent agreement with the average over all longitudinal phonon plasmon coupled modes reported previously [M. Schubert et al., Phys. Rev. B 93, 125209 (2016)]. We also report a linear temperature dependence of the wavelength independent Cauchy expansion coefficient for the anisotropic below-band-gap monoclinic dielectric tensor elements. Published by AIP Publishing.
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VanDerslice, J.JA Woollam Co Inc, USA
(författare)
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Korlacki, R.Univ Nebraska, USA
(författare)
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Woollam, J. A.Univ Nebraska, USA; JA Woollam Co Inc, USA
(författare)
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Schubert, MathiasLinköpings universitet,Halvledarmaterial,Tekniska fakulteten,Univ Nebraska, USA; Leibniz Inst Polymer Res Dresden, Germany(Swepub:liu)schma39
(författare)
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Univ Nebraska, USAJA Woollam Co Inc, USA
(creator_code:org_t)
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Ingår i:Applied Physics Letters: AMER INST PHYSICS112:40003-69511077-3118
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