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Upconversion luminescence in Er3+ doped and Er3+/Yb3+ codoped zirconia and hafnia nanocrystals excited at 980 nm

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dc.contributor.authorGomez, Luis A.
dc.contributor.authorMenezes, Leonardo de S.
dc.contributor.authorde Araujo, Cid B.
dc.contributor.authorGoncalves, Rogeria R.
dc.contributor.authorRibeiro, Sidney José Lima [UNESP]
dc.contributor.authorMessaddeq, Younes [UNESP]
dc.contributor.institutionUniversidade Federal de Pernambuco (UFPE)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:20:29Z
dc.date.available2014-05-20T14:20:29Z
dc.date.issued2010-06-01
dc.description.abstractFrequency upconversion (UC) luminescence in nanocrystalline zirconia (ZrO2) and hafnia (HfO2) doped with Er3+ and Yb3+ was studied under continuous-wave excitation at 980 nm. Samples of ZrO2:Er3+, ZrO2:Er3+/Yb3+, and HfO2:Er3+/Yb3+ were prepared by the sol-gel technique and characterized using x-ray diffraction and electron microscopy. A study of the infrared-to-green and infrared-to-red UC processes was performed including the analysis of the spectral and the temporal behavior. The mechanisms contributing to the UC luminescence were identified as excited state absorption and energy transfer among rare-earth ions. (C) 2010 American Institute of Physics. [doi:10.1063/1.3428478]en
dc.description.affiliationUniversidade Federal de Pernambuco (UFPE), Dept Fis, BR-50670901 Recife, PE, Brazil
dc.description.affiliationFFCLRP USP, Dept Quim, BR-1404090 Ribeirao Preto, SP, Brazil
dc.description.affiliationUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco (FACEPE)
dc.format.extent5
dc.identifierhttp://dx.doi.org/10.1063/1.3428478
dc.identifier.citationJournal of Applied Physics. Melville: Amer Inst Physics, v. 107, n. 11, p. 5, 2010.
dc.identifier.doi10.1063/1.3428478
dc.identifier.fileWOS000278907100031.pdf
dc.identifier.issn0021-8979
dc.identifier.lattes6446047463034654
dc.identifier.lattes2998503841917815
dc.identifier.orcid0000-0003-3286-9440
dc.identifier.urihttp://hdl.handle.net/11449/26160
dc.identifier.wosWOS:000278907100031
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.ispartofJournal of Applied Physics
dc.relation.ispartofjcr2.176
dc.relation.ispartofsjr0,739
dc.rights.accessRightsAcesso abertopt
dc.sourceWeb of Science
dc.subjectdielectric materialsen
dc.subjectdopingen
dc.subjectelectron microscopyen
dc.subjecterbiumen
dc.subjecthafnium compoundsen
dc.subjectimpurity absorption spectraen
dc.subjectinfrared spectraen
dc.subjectnanofabricationen
dc.subjectnanostructured materialsen
dc.subjectphotoexcitationen
dc.subjectphotoluminescenceen
dc.subjectsol-gel processingen
dc.subjectX-ray diffractionen
dc.subjectytterbiumen
dc.subjectzirconium compoundsen
dc.titleUpconversion luminescence in Er3+ doped and Er3+/Yb3+ codoped zirconia and hafnia nanocrystals excited at 980 nmen
dc.typeArtigopt
dcterms.licensehttp://www.aip.org/pubservs/web_posting_guidelines.html
dcterms.rightsHolderAmer Inst Physics
dspace.entity.typePublication
relation.isOrgUnitOfPublicationbc74a1ce-4c4c-4dad-8378-83962d76c4fd
relation.isOrgUnitOfPublication.latestForDiscoverybc74a1ce-4c4c-4dad-8378-83962d76c4fd
unesp.author.lattes6446047463034654
unesp.author.lattes2998503841917815
unesp.author.orcid0000-0003-3286-9440[5]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Inorgânica - IQARpt

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Araraquara - IQAR - Instituto de Química