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Tailoring the Composition of Eu(3+)-Doped Y3NbO7 Niobate: Structural Features and Luminescent Properties Induced by Spark Plasma Sintering.

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorKIM, Ka-Young
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCHUNG, U-Chan
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMUTULET, Brice
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorWEILL, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDEMOURGUES, Alain
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROSSIT, Julie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorHEINTZ, Jean-Marc
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVEILLERE, Amélie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJUBERA, Veronique
dc.date.issued2017
dc.identifier.issn0020-1669
dc.description.abstractEnThe defective fluorite-related Y3NbO7 host lattice was doped with Eu(3+) ions to understand the influence of spark plasma sintering (SPS) process on this host lattice. The intrinsic disorder due to the occurrence of oxygen vacancies results in amorphous-type responses of the luminescent cations, and the spectral distribution varies as a function of the niobium content. Two spectral fingerprints of europium emissions were clearly enhanced. The correlation between luminescence, X-ray diffraction, and electron diffraction characterizations shows the existence of local inhomogeneity. Indeed, the particular nonequilibrium sintering conditions allowed pointing out a lack of miscibility within the Y3NbO7 solid solution domain. Thus, the SPS pellet is a composite of two extreme compositions. This phase demixing is mainly induced by the pressure coupled with a current effect that makes possible ionic migration in this Y3NbO7 ionic conductive matrix.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enTailoring the Composition of Eu(3+)-Doped Y3NbO7 Niobate: Structural Features and Luminescent Properties Induced by Spark Plasma Sintering.
dc.typeArticle de revue
dc.identifier.doi10.1021/acs.inorgchem.7b00088
dc.subject.halChimie/Matériaux
bordeaux.journalInorganic Chemistry
bordeaux.page4495-4504
bordeaux.volume56
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-01520638
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01520638v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Inorganic%20Chemistry&rft.date=2017&rft.volume=56&rft.issue=8&rft.spage=4495-4504&rft.epage=4495-4504&rft.eissn=0020-1669&rft.issn=0020-1669&rft.au=KIM,%20Ka-Young&CHUNG,%20U-Chan&MUTULET,%20Brice&WEILL,%20Fran%C3%A7ois&DEMOURGUES,%20Alain&rft.genre=article


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