The electric field-induced antiferroelectric (AFE) to ferroelectric (FE) phase transition in lead strontium zirconate titanate (PSZT) ceramics is studied by polarization, X-ray diffraction, and strain measurements. PSZT compositions with varying strontium and Zr/Ti ratios, located in the ferroelectric, antiferroelectric phase regions, and near the AFE/FE phase boundary are prepared. Electric filed-induced AFE to FE phase change is demonstrated in selected compositions, which also displayed large strains of ∼0.5% in polycrystalline ceramics. The origin of the large induced strain is identified to be the AFE-FE phase transformation by in situ X-ray diffraction studies.
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R. N. Singh (2003) studied this question.
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