Comparison of structural and spectroscopic properties of Ho3+-doped niobate compounds

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniv. Bordeaux-
Autor(es): dc.contributorUMR 5255 CNRS-University of Bordeaux-
Autor(es): dc.contributorLaboratoire des Composites ThermoStructuraux-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorGuene-Girard, S.-
Autor(es): dc.creatorCourtois, J.-
Autor(es): dc.creatorDussauze, M.-
Autor(es): dc.creatorHeintz, J-M.-
Autor(es): dc.creatorFargues, A.-
Autor(es): dc.creatorRoger, J.-
Autor(es): dc.creatorNalin, M. [UNESP]-
Autor(es): dc.creatorCardinal, T.-
Autor(es): dc.creatorJubera, V.-
Data de aceite: dc.date.accessioned2022-08-04T22:10:02Z-
Data de disponibilização: dc.date.available2022-08-04T22:10:02Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2021-10-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.materresbull.2021.111451-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/221859-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/221859-
Descrição: dc.descriptionHo3+-doped YNbO4 and Y3NbO7 phosphors were synthesised via a co-precipitation synthesis route. Structural characterisation and spectroscopic properties were performed as a function of the Ho3+ concentration. The Rietveld type-refinement confirms the stabilisation of the pure monoclinic Fergusonite YNbO4 phase at the highest temperatures, but the quadratic phase is stabilised for the lowest temperature, whereas a pure cubic fluorite Y3NbO7 phase was observed for all of the heat treatments. Raman and infrared spectroscopies were used to compare the cation-oxygen vibrational modes. Emission spectra and up-conversion processes were obtained under excitation at 445 and 975 nm respectively. For a similar Ho3+ content, the energy transfers observed show differences between the two crystalline compounds that are related to a stronger interaction between the holmium cations in the fluorite host lattice.-
Descrição: dc.descriptionCNRS Univ. Bordeaux, Bordeaux INP, ICMCB, UMR 5026-
Descrição: dc.descriptionISM - Institute of Molecular Science UMR 5255 CNRS-University of Bordeaux-
Descrição: dc.descriptionUniversité de Bordeaux CNRS Laboratoire des Composites ThermoStructuraux, UMR 5801-
Descrição: dc.descriptionChemistry Institute São Paulo State University – UNESP-
Descrição: dc.descriptionChemistry Institute São Paulo State University – UNESP-
Idioma: dc.languageen-
Relação: dc.relationMaterials Research Bulletin-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectEnergy transfer-
Palavras-chave: dc.subjectLuminescence-
Palavras-chave: dc.subjectNiobate-
Palavras-chave: dc.subjectRaman-
Palavras-chave: dc.subjectRare earth-
Título: dc.titleComparison of structural and spectroscopic properties of Ho3+-doped niobate compounds-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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