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DC Field | Value | Language |
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dc.contributor.author | da Silva, Alison Abreu | - |
dc.contributor.author | Cebim, Marco Aurelio | - |
dc.contributor.author | Davolos, Marian Rosaly | - |
dc.date.accessioned | 2014-05-20T14:20:03Z | - |
dc.date.accessioned | 2016-10-25T17:41:23Z | - |
dc.date.available | 2014-05-20T14:20:03Z | - |
dc.date.available | 2016-10-25T17:41:23Z | - |
dc.date.issued | 2008-07-01 | - |
dc.identifier | http://dx.doi.org/10.1016/j.jlumin.2007.11.095 | - |
dc.identifier.citation | Journal of Luminescence. Amsterdam: Elsevier B.V., v. 128, n. 7, p. 1165-1168, 2008. | - |
dc.identifier.issn | 0022-2313 | - |
dc.identifier.uri | http://hdl.handle.net/11449/26018 | - |
dc.identifier.uri | http://acervodigital.unesp.br/handle/11449/26018 | - |
dc.description.abstract | Gadolinium oxysulfide powders doped with different Tb3+ concentrations were prepared from sulfur vaporization on rare earths' basic carbonate precursors. Single-phase Gd2O2S samples were obtained, with Tb3+ doping up to 9 at%. The study of the excitation mechanisms revealed that the Tb3+ emission might occur after the direct Tb3+ excitation either by energy transfer from Gd3+ or from the phosphor host. The characteristic terbium emission lines were observed, resulting from the radiative decay from D-5(3) or D-5(4), to F-7(j) levels. The cross-relaxation phenomenon was observed and its effects on the materials emission color were discussed based on the CIE diagram. By using time-resolved spectroscopy, D-5(3) -> F-7(J) and D-5(4) -> F-7(J) transitions were separated. (c) 2007 Elsevier B.V. All rights reserved. | en |
dc.format.extent | 1165-1168 | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier B.V. | - |
dc.source | Web of Science | - |
dc.subject | scintillator | en |
dc.subject | luminescence | en |
dc.subject | cross relaxation | en |
dc.subject | emission tuning | en |
dc.title | Excitation mechanisms and effects of dopant concentration in Gd2O2S : Tb3+ phosphor | en |
dc.type | outro | - |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | - |
dc.description.affiliation | São Paulo State Univ, UNESP, Inst Chem, LML, BR-14800900 Araraquara, SP, Brazil | - |
dc.description.affiliationUnesp | São Paulo State Univ, UNESP, Inst Chem, LML, BR-14800900 Araraquara, SP, Brazil | - |
dc.identifier.doi | 10.1016/j.jlumin.2007.11.095 | - |
dc.identifier.wos | WOS:000255568900011 | - |
dc.rights.accessRights | Acesso restrito | - |
dc.relation.ispartof | Journal of Luminescence | - |
Appears in Collections: | Artigos, TCCs, Teses e Dissertações da Unesp |
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