Multiferroic Properties and Piezoelectric Characterizations of Bismuth Ferrite Based Compounds Produced by Spark Plasma Sintering

Ricardo A.M. Gotardo; Diogo Montanher; Otávio A. Protzek; Luiz F. Cótica; Ivair A. Santos; Diego S.F. Viana; William J. Nascimento; Ducinei Garcia; José A. Eiras

doi:10.4028/www.scientific.net/AMR.975.257

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Multiferroic Properties and Piezoelectric Characterizations of Bismuth Ferrite Based Compounds Produced by Spark Plasma Sintering

Abstract:

In this work, high dense, single phase ceramics of the 0.3BiFeO₃ 0.7BaTiO₃ multiferroic solid solution were prepared by spark plasma sintering. The structural, microstructural, multiferroic and piezoelectric properties were investigated. The samples presented good magnetic and ferroelectric properties, P_r= 8.3 μC/cm² and M_r = 0.03 emu/g, with low dielectric AC losses below the ferroelectric transition temperature. The obtained piezoelectric coefficients were determined as d₃₁ = -8.1 pm/V and d₃₃ = 13.5 pm/V.

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Periodical:

Advanced Materials Research (Volume 975)

Pages:

257-262

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.975.257

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Online since:

July 2014

Authors:

Ricardo A.M. Gotardo*, Diogo Montanher, Otávio A. Protzek, Luiz F. Cótica, Ivair A. Santos, Diego S.F. Viana, William J. Nascimento, Ducinei Garcia, José A. Eiras

Keywords:

BiFeO₃, Lead-Free Piezoelectrics, Multiferroic, Piezoelectricity

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