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Issue 35, 2015
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BaTiO3–BiYbO3 perovskite materials for energy storage applications

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Abstract

Novel perovskite-type (1 − x)BaTiO3xBiYbO3 solid solutions with x = 0.00–0.20 were synthesized using conventional solid-state reaction methods. A systematic structural change from ferroelectric tetragonal to pseudo-cubic phase was observed at about x = 0.050–0.051 at room temperature. Dielectric measurements revealed a gradual change from normal ferroelectric behavior to highly diffusive and dispersive relaxor-like characteristics, wherein the phase transition temperature shifted to a higher temperature with increasing frequency. With an increase in the BiYbO3 content, the nonlinearity of the (1 − x)BaTiO3xBiYbO3 ceramic was weakened obviously. The bulk ceramics were characterized by high polarization maxima and low remnant polarization, which exhibit slim PE hysteresis loops. The results demonstrate that the (1 − x)BaTiO3xBiYbO3 ceramics are promising lead-free relaxor materials for energy storage applications.

Graphical abstract: BaTiO3–BiYbO3 perovskite materials for energy storage applications

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Publication details

The article was received on 18 May 2015, accepted on 27 Jul 2015 and first published on 27 Jul 2015


Article type: Paper
DOI: 10.1039/C5TA03614C
J. Mater. Chem. A, 2015,3, 18146-18153

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    BaTiO3–BiYbO3 perovskite materials for energy storage applications

    Z. Shen, X. Wang, B. Luo and L. Li, J. Mater. Chem. A, 2015, 3, 18146
    DOI: 10.1039/C5TA03614C

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