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Luminescent properties of Eu3+-doped yttrium or gadolinium phosphates.

hal.structure.identifierCenter of Analytical Services and Experimentation, Department of Industry
dc.contributor.authorTUAN, D. C.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorOLAZCUAGA, Roger
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUILLEN, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGARCIA, Alain
hal.structure.identifierLaboratoire de Physico-Chimie des Matériaux Luminescents [LPCML]
dc.contributor.authorMOINE, B.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFOUASSIER, Claude
dc.date.issued2005
dc.identifier.issn1155-4339
dc.description.abstractEnAfter an investigation of the formation conditions of the intermediate phases existing in the systems Y2O3-P2O5 and Gd2O3-P2O5 (R/P = 4/1, 3/1, 1, 1/2, 1/3 and 1/5 (R = Y or Gd)) the luminescence characteristics of the Eu3+ ion substituted for the Y3+ or Gd3+ ions have been determined. The position of the O-2 -> Eu3+ charge transfer band shifts to higher energies with increasing P content, which results in high quantum efficiencies for several P-rich phosphates. With increasing P content the probability of the electric dipole transitions is reduced, in particular for the hypersensitive 5D a->7 F2 transition. This causes a shift of the colour point to the orange and lengthens the luminescence lifetime. The luminescence characteristics are compared with those of the red phosphors for display.
dc.language.isoen
dc.publisherEDP Sciences
dc.title.enLuminescent properties of Eu3+-doped yttrium or gadolinium phosphates.
dc.typeArticle de revue
dc.identifier.doi10.1051/jp4:2005123047
dc.subject.halChimie/Matériaux
bordeaux.journalJournal de Physique IV Proceedings
bordeaux.pagep. 259-263
bordeaux.volumevol. 123
bordeaux.peerReviewedoui
hal.identifierhal-00022696
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00022696v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20de%20Physique%20IV%20Proceedings&rft.date=2005&rft.volume=vol.%20123&rft.spage=p.%20259-263&rft.epage=p.%20259-263&rft.eissn=1155-4339&rft.issn=1155-4339&rft.au=TUAN,%20D.%20C.&OLAZCUAGA,%20Roger&GUILLEN,%20Fran%C3%A7ois&GARCIA,%20Alain&MOINE,%20B.&rft.genre=article


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