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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/25288
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dc.contributor.authorPinto, Alexandre H.-
dc.contributor.authorSouza, Flavio L.-
dc.contributor.authorLongo, Elson-
dc.contributor.authorLeite, Edson R.-
dc.contributor.authorCamargo, Emerson R.-
dc.date.accessioned2014-05-20T14:17:39Z-
dc.date.accessioned2016-10-25T17:40:04Z-
dc.date.available2014-05-20T14:17:39Z-
dc.date.available2016-10-25T17:40:04Z-
dc.date.issued2011-10-17-
dc.identifierhttp://dx.doi.org/10.1016/j.matchemphys.2011.06.040-
dc.identifier.citationMaterials Chemistry and Physics. Lausanne: Elsevier B.V. Sa, v. 130, n. 1-2, p. 259-263, 2011.-
dc.identifier.issn0254-0584-
dc.identifier.urihttp://hdl.handle.net/11449/25288-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/25288-
dc.description.abstractQuasi-spherical nanoparticles of praseodymium-modified lead titanate powder (Pb(0.80)Pr(0.20)TiO(3)) with an average size of 54.8 nm were synthesized successfully by the oxidant-peroxo method (OPM) and were used to prepare highly dense ceramic bodies which were sintered at 1100 and 1150 degrees C for 2 h. A tetragonal phase was identified in the powder and ceramic samples by X-ray powder diffraction and FT-Raman spectroscopy at room temperature. The fractured surface of the ceramic sample showed a high degree of densification with fairly uniform grain sizes. Dielectric constants measured in the range of 30-300 degrees C at different frequencies (120 Hz and at 1,10 and 100 kHz) indicated that samples with 20 mol% praseodymium showed normal ferroelectric behavior regardless of the sintering temperature. (C) 2011 Elsevier B.V. All rights reserved.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipFinanciadora de Estudos e Projetos (FINEP)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.description.sponsorshipINCTMN/CMDMC-
dc.format.extent259-263-
dc.language.isoeng-
dc.publisherElsevier B.V. Sa-
dc.sourceWeb of Science-
dc.subjectOxidesen
dc.subjectCeramicsen
dc.subjectChemical synthesisen
dc.subjectDielectric propertiesen
dc.titleStructural and dielectric characterization of praseodymium-modified lead titanate ceramics synthesized by the OPM routeen
dc.typeoutro-
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.contributor.institutionUniversidade Federal do ABC (UFABC)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUFSCar Fed Univ São Carlos, Dept Chem, LIEC Lab Interdisciplinar Eletroquim & Cerem, BR-13565905 São Carlos, SP, Brazil-
dc.description.affiliationUFABC Universidade Federal do ABC (UFABC), Ctr Ciencias Nat & Humanas, BR-09210170 Santo Andre, SP, Brazil-
dc.description.affiliationUNESP São Paulo State Univ, Chem Inst Araraquara, Dept Biochem, BR-14801907 Araraquara, SP, Brazil-
dc.description.affiliationUnespUNESP São Paulo State Univ, Chem Inst Araraquara, Dept Biochem, BR-14801907 Araraquara, SP, Brazil-
dc.description.sponsorshipIdFAPESP: 07/50904-2-
dc.description.sponsorshipIdFAPESP: 07/58891-7-
dc.identifier.doi10.1016/j.matchemphys.2011.06.040-
dc.identifier.wosWOS:000295601700042-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofMaterials Chemistry and Physics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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