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Dynamic Hysteresis and Scaling Behavior of Energy Density in Pb0.99Nb0.02[(Zr0.60Sn0.40)0.95Ti0.05]O3 Antiferroelectric Bulk Ceramics

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The evolution of dynamic hysteresis of lead zirconate titanate stannate antiferroelectric bulk ceramics at various frequencies (f) and field amplitudes (E 0) has been investigated systematically. A series of asymmetrical minor loops were observed when the working fields were slightly lower than the forward switching field E AF. As E 0 increased above E AF, symmetrical double loops appeared and their energy densities w against f and E 0 were found to be fit the scaling behavior as w f 0.02(E 0 − E c)0.08, where E c representing the threshold field is designated as E AF. The study is helpful to application of antiferroelectrics as energy‐storage capacitors.
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Document Type: Research Article

Publication date: 2012-04-01

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