Publicação: Dielectric and ferroelectric characteristics of barium zirconate titanate ceramics prepared from mixed oxide method
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Elsevier B.V. Sa
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Barium zirconium titanate (BZT) ceramics were prepared by mixed oxide method. X-ray diffraction showed the presence of a single phase while Raman scattering confirmed structural transitions as a function of different Zr/Ti ratio. The addition of Zr strongly influenced the crystal structure and electrical properties of the ceramics. A typical hysteresis loops were observed for all investigated compositions. BZT ceramics with 15 mol% Zr have shown a ferroelectric to paraelectric transition at around 77 degrees C. (C) 2007 Published by Elsevier B.V.
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ferroelectrics, x-ray diffraction, dielectric response
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Inglês
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Journal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 462, n. 1-2, p. 129-134, 2008.
