Oxygen partial pressure dependence of magnetic, optical and magneto-optical properties of epitaxial cobalt-substituted SrTiO3 films

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buir.contributor.authorOkyay, Ali Kemal
dc.citation.epage13409en_US
dc.citation.issueNumber10en_US
dc.citation.spage13399en_US
dc.citation.volumeNumber23en_US
dc.contributor.authorOnbaşli, M.C.en_US
dc.contributor.authorGoto, T.en_US
dc.contributor.authorTang, A.en_US
dc.contributor.authorPan, A.en_US
dc.contributor.authorBattal, E.en_US
dc.contributor.authorOkyay, Ali Kemalen_US
dc.contributor.authorDionne G.F.en_US
dc.contributor.authorRoss, C.A.en_US
dc.date.accessioned2016-02-08T10:20:36Z
dc.date.available2016-02-08T10:20:36Z
dc.date.issued2015en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractCobalt-substituted SrTiO3 films (SrTi0.70Co0.30O3-δ) were grown on SrTiO3 substrates using pulsed laser deposition under oxygen pressures ranging from 1 μTorr to 20 mTorr. The effect of oxygen pressure on structural, magnetic, optical, and magneto-optical properties of the films was investigated. The film grown at 3 μTorr has the highest Faraday rotation (FR) and magnetic saturation moment (Ms). Increasing oxygen pressure during growth reduced Ms, FR and optical absorption in the nearinfrared. This trend is attributed to decreasing Co2+ ion concentration and oxygen vacancy concentration with higher oxygen partial pressure during growth. © 2015 Optical Society of America.en_US
dc.identifier.doi10.1364/OE.23.013399en_US
dc.identifier.issn10944087
dc.identifier.urihttp://hdl.handle.net/11693/23880
dc.language.isoEnglishen_US
dc.publisherOSA - The Optical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OE.23.013399en_US
dc.source.titleOptics Expressen_US
dc.subjectCobalten_US
dc.subjectCobalt compoundsen_US
dc.subjectElectromagnetic wave absorptionen_US
dc.subjectLight absorptionen_US
dc.subjectMagnetismen_US
dc.subjectOptical propertiesen_US
dc.subjectOxygenen_US
dc.subjectOxygen vacanciesen_US
dc.subjectPartial pressureen_US
dc.subjectPulsed laser depositionen_US
dc.subjectStrontium titanatesen_US
dc.subjectEffect of oxygenen_US
dc.subjectIon concentrationsen_US
dc.subjectMagnetooptical propertiesen_US
dc.subjectOptical and magneto-optical propertiesen_US
dc.subjectOxygen partial pressureen_US
dc.subjectOxygen pressureen_US
dc.subjectOxygen vacancy concentrationen_US
dc.subjectSrTiO3 substratesen_US
dc.subjectOptical filmsen_US
dc.titleOxygen partial pressure dependence of magnetic, optical and magneto-optical properties of epitaxial cobalt-substituted SrTiO3 filmsen_US
dc.typeArticleen_US
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