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Effect of La2O3 addition and O-2 atmosphere on the electric properties of SnO2TiO2

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dc.contributor.authorSimoes, LGP
dc.contributor.authorCassia-Santos, M. R.
dc.contributor.authorOliveira, M. M.
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:30:09Z
dc.date.available2014-05-20T15:30:09Z
dc.date.issued2005-04-15
dc.description.abstractThe electric properties of (Sn, Ti)O-2 doped with 1.00 mol% CoO, 0.05 mol% Nb2O5 and xmol% La2O3 (0.25 less than or equal to x less than or equal to 1.00) have been studied. Sn0.25Ti0.75Co0.01Nb0.005 doped with 0.50 mol% La2O3 has a nonlinearity coefficient of 6. An increase in the concentration of La2O3 raised its resistivity, thereby altering the electric properties of the material. A thermal treatment in oxygen atmosphere increased the nonlinearity coefficient to a value of 9. (C) 2003 Elsevier B.V. All rights reserved.en
dc.description.affiliationUFSCar, CMDMC, Dept Quim, LIEC, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUNESP, CMDMC, LIEC, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, CMDMC, LIEC, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.format.extent234-238
dc.identifierhttp://dx.doi.org/10.1016/j.matchemphys.2003.11.005
dc.identifier.citationMaterials Chemistry and Physics. Lausanne: Elsevier B.V. Sa, v. 90, n. 2-3, p. 234-238, 2005.
dc.identifier.doi10.1016/j.matchemphys.2003.11.005
dc.identifier.issn0254-0584
dc.identifier.urihttp://hdl.handle.net/11449/39600
dc.identifier.wosWOS:000227142700005
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofMaterials Chemistry and Physics
dc.relation.ispartofjcr2.210
dc.relation.ispartofsjr0,615
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.subjectvaristorpt
dc.subjectelectrical propertiespt
dc.subjectoxidizing atmospherept
dc.titleEffect of La2O3 addition and O-2 atmosphere on the electric properties of SnO2TiO2en
dc.typeArtigopt
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
relation.isOrgUnitOfPublicationbc74a1ce-4c4c-4dad-8378-83962d76c4fd
relation.isOrgUnitOfPublication.latestForDiscoverybc74a1ce-4c4c-4dad-8378-83962d76c4fd
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQARpt
unesp.departmentFísico-Química - IQARpt

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