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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/30580
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dc.contributor.authorDibb, Alessandro-
dc.contributor.authorCilense, Mario-
dc.contributor.authorBueno, Paulo Roberto-
dc.contributor.authorManiette, Yves-
dc.contributor.authorVarela, José Arana-
dc.contributor.authorLongo, Elson-
dc.date.accessioned2014-05-20T15:17:43Z-
dc.date.accessioned2016-10-25T17:51:33Z-
dc.date.available2014-05-20T15:17:43Z-
dc.date.available2016-10-25T17:51:33Z-
dc.date.issued2006-09-01-
dc.identifierhttp://dx.doi.org/10.1590/S1516-14392006000300015-
dc.identifier.citationMaterials Research. ABM, ABC, ABPol, v. 9, n. 3, p. 339-343, 2006.-
dc.identifier.issn1516-1439-
dc.identifier.urihttp://hdl.handle.net/11449/30580-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/30580-
dc.description.abstractThe present paper aims to verify the inuence of rare earth oxide such as lanthanum (La2O3) and neodymium (Nd2O3) doping SnO2 + 0.25%CoO + 0.75%MnO2 + 0.05%Ta2O5 system. The analysis focus on microstructural inuence on electrical properties. Microstructural analysis were made by using Transmission Electron Microscopy (TEM) at different regions of the samples. From such analysis it was found that La2O3 and Nd2O3 oxides cause heterogeneous segregation and precipitation at grain boundary concerning cobalt and manganese, decreasing the nonohmic electrical properties, as discussed, likely due to the increasing of grain boundary non-active potential barriers.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.format.extent339-343-
dc.language.isoeng-
dc.publisherABM, ABC, ABPol-
dc.sourceSciELO-
dc.subjectceramicen
dc.subjectvaristoren
dc.subjecttin dioxideen
dc.subjectrare earth oxidesen
dc.titleEvaluation of rare earth oxides doping SnO2.(Co1/4,Mn3/4)O-based varistor systemen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniversidade Estadual Paulista Instituto de Química Departamento de Físico-Química-
dc.description.affiliationUnespUniversidade Estadual Paulista Instituto de Química Departamento de Físico-Química-
dc.identifier.doi10.1590/S1516-14392006000300015-
dc.identifier.scieloS1516-14392006000300015-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileS1516-14392006000300015.pdf-
dc.relation.ispartofMaterials Research-
dc.identifier.scopus2-s2.0-33750520971-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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