Ultraviolet vacuum ultraviolet optical functions for SrTiO3 and NdGaO3 crystals determined by spectroscopic ellipsometry

Complex dielectric functions ε(E) = ε1(E) + ε2(E) were experimentally evaluated within the spectral range E = 2–25 eV and E = 2–20 eV for SrTiO3 and NdGaO3 single crystals, respectively, using synchrotron-based spectroscopic ellipsometry measurements. The ellipsometric spectra were evaluated within...

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Veröffentlicht in:	Journal of applied physics 2013-07, Vol.114 (4)
Hauptverfasser:	Dorywalski, K., Andriyevsky, B., Piasecki, M., Lemee, N., Patryn, A., Cobet, C., Esser, N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Ellipsometry Mathematical models Oscillators Spectra Spectroscopy Strontium titanates Ultraviolet
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container_title	Journal of applied physics
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creator	Dorywalski, K. Andriyevsky, B. Piasecki, M. Lemee, N. Patryn, A. Cobet, C. Esser, N.
description	Complex dielectric functions ε(E) = ε1(E) + ε2(E) were experimentally evaluated within the spectral range E = 2–25 eV and E = 2–20 eV for SrTiO3 and NdGaO3 single crystals, respectively, using synchrotron-based spectroscopic ellipsometry measurements. The ellipsometric spectra were evaluated within a framework of optical layer model taking into account sample surface roughness and anisotropy of NdGaO3. The parameters of Herzinger-Johs oscillator model were fitted to reproduce sufficiently all features of the optical spectra within the spectral range 2–10 eV. Only slight differences were revealed for spectra polarized along b and c crystallographic axes of the NdGaO3, which can confirm weak optical anisotropy.
doi_str_mv	10.1063/1.4816624
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The ellipsometric spectra were evaluated within a framework of optical layer model taking into account sample surface roughness and anisotropy of NdGaO3. The parameters of Herzinger-Johs oscillator model were fitted to reproduce sufficiently all features of the optical spectra within the spectral range 2–10 eV. Only slight differences were revealed for spectra polarized along b and c crystallographic axes of the NdGaO3, which can confirm weak optical anisotropy.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4816624</identifier><language>eng</language><subject>Anisotropy ; Ellipsometry ; Mathematical models ; Oscillators ; Spectra ; Spectroscopy ; Strontium titanates ; Ultraviolet</subject><ispartof>Journal of applied physics, 2013-07, Vol.114 (4)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c262t-72f9e0d256978ac4a66192b719d0a9f681c7c76bb0ce7a87ccbe333029793d973</citedby><cites>FETCH-LOGICAL-c262t-72f9e0d256978ac4a66192b719d0a9f681c7c76bb0ce7a87ccbe333029793d973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Dorywalski, K.</creatorcontrib><creatorcontrib>Andriyevsky, B.</creatorcontrib><creatorcontrib>Piasecki, M.</creatorcontrib><creatorcontrib>Lemee, N.</creatorcontrib><creatorcontrib>Patryn, A.</creatorcontrib><creatorcontrib>Cobet, C.</creatorcontrib><creatorcontrib>Esser, N.</creatorcontrib><title>Ultraviolet vacuum ultraviolet optical functions for SrTiO3 and NdGaO3 crystals determined by spectroscopic ellipsometry</title><title>Journal of applied physics</title><description>Complex dielectric functions ε(E) = ε1(E) + ε2(E) were experimentally evaluated within the spectral range E = 2–25 eV and E = 2–20 eV for SrTiO3 and NdGaO3 single crystals, respectively, using synchrotron-based spectroscopic ellipsometry measurements. The ellipsometric spectra were evaluated within a framework of optical layer model taking into account sample surface roughness and anisotropy of NdGaO3. The parameters of Herzinger-Johs oscillator model were fitted to reproduce sufficiently all features of the optical spectra within the spectral range 2–10 eV. Only slight differences were revealed for spectra polarized along b and c crystallographic axes of the NdGaO3, which can confirm weak optical anisotropy.</description><subject>Anisotropy</subject><subject>Ellipsometry</subject><subject>Mathematical models</subject><subject>Oscillators</subject><subject>Spectra</subject><subject>Spectroscopy</subject><subject>Strontium titanates</subject><subject>Ultraviolet</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNpNkMtOwzAURC0EEqWw4A-8hEWKH4kfS1RBQarognYdOTeOZJTEwXYq8vcEtQtWd3R1NJoZhO4pWVEi-BNd5YoKwfILtKBE6UwWBblEC0IYzZSW-hrdxPhFCKWK6wX6ObQpmKPzrU34aGAcOzz-e_khOTAtbsYekvN9xI0P-DPs3Y5j09f4o96YWUKYYjJtxLVNNnSutzWuJhwHCyn4CH5wgG3buiH6zqYw3aKrZubt3fku0eH1Zb9-y7a7zfv6eZsBEyxlkjXakpoVQktlIDdCUM0qSXVNjG6EoiBBiqoiYKVREqCynHPC5qq81pIv0cPJdwj-e7QxlZ2LMCcxvfVjLGnOtSyIFnRGH08ozIljsE05BNeZMJWUlH_rlrQ8r8t_AVnibmQ</recordid><startdate>20130728</startdate><enddate>20130728</enddate><creator>Dorywalski, K.</creator><creator>Andriyevsky, B.</creator><creator>Piasecki, M.</creator><creator>Lemee, N.</creator><creator>Patryn, A.</creator><creator>Cobet, C.</creator><creator>Esser, N.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20130728</creationdate><title>Ultraviolet vacuum ultraviolet optical functions for SrTiO3 and NdGaO3 crystals determined by spectroscopic ellipsometry</title><author>Dorywalski, K. ; Andriyevsky, B. ; Piasecki, M. ; Lemee, N. ; Patryn, A. ; Cobet, C. ; Esser, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c262t-72f9e0d256978ac4a66192b719d0a9f681c7c76bb0ce7a87ccbe333029793d973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Anisotropy</topic><topic>Ellipsometry</topic><topic>Mathematical models</topic><topic>Oscillators</topic><topic>Spectra</topic><topic>Spectroscopy</topic><topic>Strontium titanates</topic><topic>Ultraviolet</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dorywalski, K.</creatorcontrib><creatorcontrib>Andriyevsky, B.</creatorcontrib><creatorcontrib>Piasecki, M.</creatorcontrib><creatorcontrib>Lemee, N.</creatorcontrib><creatorcontrib>Patryn, A.</creatorcontrib><creatorcontrib>Cobet, C.</creatorcontrib><creatorcontrib>Esser, N.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dorywalski, K.</au><au>Andriyevsky, B.</au><au>Piasecki, M.</au><au>Lemee, N.</au><au>Patryn, A.</au><au>Cobet, C.</au><au>Esser, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultraviolet vacuum ultraviolet optical functions for SrTiO3 and NdGaO3 crystals determined by spectroscopic ellipsometry</atitle><jtitle>Journal of applied physics</jtitle><date>2013-07-28</date><risdate>2013</risdate><volume>114</volume><issue>4</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>Complex dielectric functions ε(E) = ε1(E) + ε2(E) were experimentally evaluated within the spectral range E = 2–25 eV and E = 2–20 eV for SrTiO3 and NdGaO3 single crystals, respectively, using synchrotron-based spectroscopic ellipsometry measurements. The ellipsometric spectra were evaluated within a framework of optical layer model taking into account sample surface roughness and anisotropy of NdGaO3. The parameters of Herzinger-Johs oscillator model were fitted to reproduce sufficiently all features of the optical spectra within the spectral range 2–10 eV. Only slight differences were revealed for spectra polarized along b and c crystallographic axes of the NdGaO3, which can confirm weak optical anisotropy.</abstract><doi>10.1063/1.4816624</doi></addata></record>
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source	AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection
subjects	Anisotropy Ellipsometry Mathematical models Oscillators Spectra Spectroscopy Strontium titanates Ultraviolet
title	Ultraviolet vacuum ultraviolet optical functions for SrTiO3 and NdGaO3 crystals determined by spectroscopic ellipsometry
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