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Thermo and photochromic properties of Na2O-WO3-SbPO4 glasses

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dc.contributor.authorFernandes, N. I. [UNESP]
dc.contributor.authorPoirier, G.
dc.contributor.authorNalin, M.
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Federal de Alfenas (UNIFAL)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:26:20Z
dc.date.available2014-05-20T13:26:20Z
dc.date.issued2010-08-04
dc.description.abstractTungsten phosphoantimoniate-based glasses containing sodium oxide were prepared and their thermochromic and photochromic properties investigated. Thermochromism is achieved by annealing glass samples at a temperature above glass transition (Tg). The phenomenon is characterized by an absorption band in the visible range and is non-reversible. These glasses also present photochromic properties when exposed to a laser beam (lambda = 457 nm) and this effect is characterized by a large absorption band extending from the near infrared to the visible range. Photochromism is reversible by heat treatment at 150 degrees C. The properties of these glasses, as well as colour changes were studied using differential scanning calorimetry, infrared, Raman, UV-vis and M-Lines spectroscopies, and X-ray diffraction. (C) 2010 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniversidade Federal de São Carlos (UFSCar), LAVIE, Dept Quim, São Carlos, SP, Brazil
dc.description.affiliationUNIFAL, Dept Ciencias Exatas, Pocos de Caldas, MG, Brazil
dc.description.affiliationSão Paulo State Univ, MAV, Dept Fis, Bauru, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, MAV, Dept Fis, Bauru, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent1125-1130
dc.identifierhttp://dx.doi.org/10.1016/j.ssi.2010.06.011
dc.identifier.citationSolid State Ionics. Amsterdam: Elsevier B.V., v. 181, n. 23-24, p. 1125-1130, 2010.
dc.identifier.doi10.1016/j.ssi.2010.06.011
dc.identifier.issn0167-2738
dc.identifier.urihttp://hdl.handle.net/11449/8471
dc.identifier.wosWOS:000281487500009
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofSolid State Ionics
dc.relation.ispartofjcr2.751
dc.relation.ispartofsjr0,856
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectGlassesen
dc.subjectTungstenen
dc.subjectThermochromismen
dc.subjectPhotochromismen
dc.titleThermo and photochromic properties of Na2O-WO3-SbPO4 glassesen
dc.typeResumo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências, Baurupt
unesp.departmentFísica - FCpt

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