Publicação: Evaluation of rare earth oxides doping SnO2.(Co1/4,Mn3/4)O-based varistor system
dc.contributor.author | Dibb, Alessandro [UNESP] | |
dc.contributor.author | Cilense, Mario [UNESP] | |
dc.contributor.author | Bueno, Paulo Roberto [UNESP] | |
dc.contributor.author | Maniette, Yves [UNESP] | |
dc.contributor.author | Varela, José Arana [UNESP] | |
dc.contributor.author | Longo, Elson [UNESP] | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2014-05-20T15:17:43Z | |
dc.date.available | 2014-05-20T15:17:43Z | |
dc.date.issued | 2006-09-01 | |
dc.description.abstract | The 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.affiliation | Universidade Estadual Paulista Instituto de Química Departamento de Físico-Química | |
dc.description.affiliationUnesp | Universidade Estadual Paulista Instituto de Química Departamento de Físico-Química | |
dc.description.sponsorship | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | |
dc.format.extent | 339-343 | |
dc.identifier | http://dx.doi.org/10.1590/S1516-14392006000300015 | |
dc.identifier.citation | Materials Research. ABM, ABC, ABPol, v. 9, n. 3, p. 339-343, 2006. | |
dc.identifier.doi | 10.1590/S1516-14392006000300015 | |
dc.identifier.file | S1516-14392006000300015.pdf | |
dc.identifier.issn | 1516-1439 | |
dc.identifier.lattes | 9128353103083394 | |
dc.identifier.lattes | 0477045906733254 | |
dc.identifier.orcid | 0000-0003-2827-0208 | |
dc.identifier.scielo | S1516-14392006000300015 | |
dc.identifier.scopus | 2-s2.0-33750520971 | |
dc.identifier.uri | http://hdl.handle.net/11449/30580 | |
dc.language.iso | eng | |
dc.publisher | ABM, ABC, ABPol | |
dc.relation.ispartof | Materials Research | |
dc.relation.ispartofjcr | 1.103 | |
dc.relation.ispartofsjr | 0,398 | |
dc.rights.accessRights | Acesso aberto | |
dc.source | SciELO | |
dc.subject | ceramic | en |
dc.subject | varistor | en |
dc.subject | tin dioxide | en |
dc.subject | rare earth oxides | en |
dc.title | Evaluation of rare earth oxides doping SnO2.(Co1/4,Mn3/4)O-based varistor system | en |
dc.type | Artigo | |
dspace.entity.type | Publication | |
unesp.author.lattes | 9128353103083394 | |
unesp.author.lattes | 0477045906733254[3] | |
unesp.author.orcid | 0000-0003-2827-0208[3] | |
unesp.campus | Universidade Estadual Paulista (UNESP), Instituto de Química, Araraquara | pt |
unesp.department | Físico-Química - IQAR | pt |
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