Synthesis and characterisation of optically tuneable, magnetic phosphors

dc.contributor.authorBalakrishnan, S.en
dc.contributor.authorLaunikonis, A.en
dc.contributor.authorOsvath, P.en
dc.contributor.authorSwiegers, G. F.en
dc.contributor.authorDouvalis, A. P.en
dc.contributor.authorWilson, G. J.en
dc.date.accessioned2015-11-24T18:34:27Z
dc.date.available2015-11-24T18:34:27Z
dc.identifier.issn0254-0584-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/16939
dc.rightsDefault Licence-
dc.subjectphosphorsen
dc.subjectmagnetiteen
dc.subjectcompositesen
dc.subjectluminescence spectroscopyen
dc.subjectup-conversion fluorescenceen
dc.subjectcolloidal yvo4-euen
dc.subjectsingle-crystalsen
dc.subjectenergy-transferen
dc.subjectsilica spheresen
dc.subjectnanoparticlesen
dc.subjectluminescenceen
dc.subjectmossbaueren
dc.subjectnanocrystalsen
dc.subjectgrowthen
dc.titleSynthesis and characterisation of optically tuneable, magnetic phosphorsen
heal.abstractYVO(4):Eu(3+) phosphor particles have been encapsulated with silica using core-shell technology to produce particles of 400-600 nm in size. The surface of the outer silica shell was further functionalised by the introduction of iron oxide nanoparticles, thus producing a material possessing both magnetic and luminescent properties. The YVO(4):Eu(3+)@SiO(2)-magnetite composite material was characterised by X-ray diffraction (XRD), Raman and Fourier transform IR spectroscopy, scanning electron microscopy and emission spectroscopy. Characterisation of the outer iron oxide coating with (57)Fe Mossbauer spectroscopy, magnetization measurements and scanning electron microscopy reveals the presence of non-stoichiometric maghemite and magnetite nanoparticles of sizes less than similar to 20 nm. (C) 2009 Elsevier B.V. All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.matchemphys.2009.12.014-
heal.identifier.secondary<Go to ISI>://000276984600072-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0254058409007603/1-s2.0-S0254058409007603-main.pdf?_tid=da3e3dad9dae5e2b0b41738773010b63&acdnat=1334219308_e04d9b53544d78f2de8fb63a6ee72c73-
heal.journalNameMaterials Chemistry and Physicsen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2010-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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