2013
DOI: 10.1590/s1517-70762013000400012
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Preparação e caracterização de pós e filmes finos de BaTiO3 sintetizados via método Pechini

Abstract: RESUMONos últimos anos o emprego do titanato de bário (BaTiO 3 ) na indústria de cerâmicas tecnológicas e em dispositivos optoeletrônicos tem se incrementado em decorrência de suas propriedades ferroelétricas, termoelétricas, piezoelétricas e ópticas. O objetivo deste trabalho foi sintetizar e caracterizar pós e filmes finos amorfos de titanato de bário (BaTiO 3 ), por meio do método Pechini. Esses pós foram caracterizados via Análise Térmica (TG/DSC) e Difração de Raios X (DRX). A temperatura utilizada no tra… Show more

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Cited by 1 publication
(2 citation statements)
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“…The P(VDF-TrFE) spectra show a broad peak at 19.9 • , which corresponds to the reflection of crystalline planes (110) and (200) of the orthorhombic phase of the copolymer. This phase has a similar crystalline structure to the β-ferroelectric phase of PVDF, also confirmed by the FTIR analysis [68]. Furthermore, a small peak is observed at 17.1 • corresponding to the α phase of P(VDF-TrFE).…”
Section: Evaluation Of the P(vdf-trfe)/batio 3 Filmsupporting
confidence: 72%
See 1 more Smart Citation
“…The P(VDF-TrFE) spectra show a broad peak at 19.9 • , which corresponds to the reflection of crystalline planes (110) and (200) of the orthorhombic phase of the copolymer. This phase has a similar crystalline structure to the β-ferroelectric phase of PVDF, also confirmed by the FTIR analysis [68]. Furthermore, a small peak is observed at 17.1 • corresponding to the α phase of P(VDF-TrFE).…”
Section: Evaluation Of the P(vdf-trfe)/batio 3 Filmsupporting
confidence: 72%
“…The lattice parameter data obtained show that the unit cell of BaTiO3 is tetragonal of the crystalline system P4 mm, as observed in the crystallographic sheet PDF-2 05-0626. Complementing the analysis, these results confirm that there are no BaCO3 impurities in the ceramic powder [68,69]. Ti-30Ta spectrum can be seen in Figure 7c, which corresponds to the crystallographic sheet PDF-2 01-089-5009.…”
Section: Evaluation Of the P(vdf-trfe)/batio 3 Filmsupporting
confidence: 71%