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dc.contributor.authorPustovarov, V. A.en
dc.contributor.authorVasin, A. A.en
dc.contributor.authorZuev, M. G.en
dc.date.accessioned2024-04-22T15:53:44Z-
dc.date.available2024-04-22T15:53:44Z-
dc.date.issued2022-
dc.identifier.citationPustovarov, VA, Vasin, AA & Zuev, MG 2022, 'Site-selective luminescence of Eu3+ ions in silicate-tungstates with apatite and scheelite structures', Optical Materials: X, Том. 15, 100186. https://doi.org/10.1016/j.omx.2022.100186harvard_pure
dc.identifier.citationPustovarov, V. A., Vasin, A. A., & Zuev, M. G. (2022). Site-selective luminescence of Eu3+ ions in silicate-tungstates with apatite and scheelite structures. Optical Materials: X, 15, [100186]. https://doi.org/10.1016/j.omx.2022.100186apa_pure
dc.identifier.issn2590-1478
dc.identifier.otherFinal2
dc.identifier.otherAll Open Access; Gold Open Access3
dc.identifier.otherhttps://doi.org/10.1016/j.omx.2022.1001861
dc.identifier.otherhttps://doi.org/10.1016/j.omx.2022.100186pdf
dc.identifier.urihttp://elar.urfu.ru/handle/10995/132487-
dc.description.abstractThe present work studies europium-ion spectroscopic features in solid solutions based on silicate-tungstates Ca2La6.8Eu1.2Si5.6W0.4O26.4 and Ca8Eu2Si3W3O26 microcrystalline powders with the crystal structure of silicate apatite and scheelite respectively. The spectroscopic features were studied by means of photoluminescence spectroscopy and X-ray excited luminescence at temperatures 4.6, 90 and 295 K. In Ca2La6.8Eu1.2Si5.6W0.4O26.4 only intensive luminescence was observed, which was characterized by a set of 5D0 → 7FJ dominant intraconfigurational transitions for Eu3+ ion. In Ca8Eu2Si3W3O26, both 5D0→ 7FJ intraconfigurational transitions for Eu3+ ion and wide 430 nm emission band corresponding to host self-trapped exciton (STE) emission are observed. This STE emission band is reabsorbed by the f – f absorption of Eu3+ ions by means of energy transfer from host to Eu3+. The asymmetry coefficient which characterizes the shape of the emission spectrum of Eu3+ ions strongly depends on the energy of exciting photons. The Eu3+ ion might occupy two nonequivalent crystallographic sites. Some features of this phenomenon were discussed. © 2022 The Author(s)en
dc.description.sponsorshipState Task, (0397-2019-0002)en
dc.description.sponsorshipRussian Foundation for Basic Research, РФФИ, (20-03-00851)en
dc.description.sponsorshipRussian Academy of Sciences, РАНen
dc.description.sponsorshipMinistry of Education and Science of the Russian Federation, Minobrnauka, (FEUZ-2020-0060)en
dc.description.sponsorshipRussian Science Foundation, RSF, (21-12-00392)en
dc.description.sponsorshipInstitute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, ISSC UB RASen
dc.description.sponsorshipThe work was partially supported by the Ministry of Science and Higher Education of the Russian Federation (through the basic part of the government mandate, project No. FEUZ-2020-0060 ) and RFBR (project No. 20-03-00851 ) and it is part of a State Task (No. 0397-2019-0002 ) for the Institute of Solid State Chemistry ( Ural Branch, Russian Academy of Sciences ). V.A.P. acknowledges partial support by Russian Science Found (Project No. 21-12-00392 ). Authors thank to Dr. I.D. Popov (Institute of Solid State Chemistry, UB RAS, Ekaterinburg, Russia) for editing the text of the manuscript.en
dc.format.mimetypeapplication/pdfen
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.rightscc-by-nc-ndother
dc.sourceOptical Materials: X2
dc.sourceOptical Materials: Xen
dc.subjectAPATITEen
dc.subjectASYMMETRY COEFFICIENTen
dc.subjectEU<SUP>3+</SUP> IONen
dc.subjectINTRACONFIGURATIONAL F-F TRANSITIONSen
dc.subjectPHOTOLUMINESCENCEen
dc.subjectSCHEELITEen
dc.subjectAPATITEen
dc.subjectCALCIUM SILICATEen
dc.subjectCRYSTAL STRUCTUREen
dc.subjectEMISSION SPECTROSCOPYen
dc.subjectENERGY TRANSFERen
dc.subjectEUROPIUM COMPOUNDSen
dc.subjectEXCITONSen
dc.subjectLANTHANUM COMPOUNDSen
dc.subjectPHOTOLUMINESCENCE SPECTROSCOPYen
dc.subjectSILICATESen
dc.subjectTRAPPED IONSen
dc.subjectASYMMETRY COEFFICIENTen
dc.subjectEMISSION BANDSen
dc.subjectEU3+ IONen
dc.subjectEXCITON EMISSIONen
dc.subjectF-F TRANSITIONSen
dc.subjectINTRA-CONFIGURATIONAL TRANSITIONSen
dc.subjectINTRACONFIGURATIONAL F-F TRANSITIONen
dc.subjectSCHEELITEen
dc.subjectSELF TRAPPED EXCITONSen
dc.subjectSPECTROSCOPIC FEATURESen
dc.subjectPHOTOLUMINESCENCEen
dc.titleSite-selective luminescence of Eu3+ ions in silicate-tungstates with apatite and scheelite structuresen
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dc.identifier.doi10.1016/j.omx.2022.100186-
dc.identifier.scopus85138446797-
local.contributor.employeePustovarov V.A., Ural Federal University, 19 Mira st., Ekaterinburg, 620002, Russian Federationen
local.contributor.employeeVasin A.A., Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, 620990, Russian Federationen
local.contributor.employeeZuev M.G., Ural Federal University, 19 Mira st., Ekaterinburg, 620002, Russian Federation, Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, 620990, Russian Federationen
local.issue19
local.volume15
dc.identifier.wos000866781400001-
local.contributor.departmentUral Federal University, 19 Mira st., Ekaterinburg, 620002, Russian Federationen
local.contributor.departmentInstitute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, 620990, Russian Federationen
local.identifier.purecfa0e503-c58a-4853-b7f7-2341c11f042buuid
local.identifier.pure30982543-
local.description.order100186
local.identifier.eid2-s2.0-85138446797-
local.identifier.wosWOS:000866781400001-
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