Electrical properties and electric field-induced antiferroelectric-ferroelectric phase transition in Nd3+-doped lead strontium zirconate titanate ceramics

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机构：
[1] Yu, Yongjian
[2] Singh, Raj N.
来源：
Yu, Y. | 1600年 / American Institute of Physics Inc.卷 / 94期
关键词：
Antiferroelectric materials - Casting - Dielectric properties - Doping (additives) - Electric fault currents - Ferroelectricity - Lead compounds - Neodymium - Phase diagrams - Phase interfaces - Phase transitions - Piezoelectricity - Sintering - Strain;
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摘要：
The preparation of undoped and 1-3 at.% Nd3+ -doped lead strontium zirconate titanate ceramics, which were located near the tetragonal antiferroelectric (AFE) and rhombohedral ferroelectric (FE) phase boundary was discussed. The influence of the electric field-induced AFE to FE phase transition on the piezoelectric and strain behavior was analyzed. The room temperature resistivity was measured and explained by the defects produced. The analyis shows that change in the unit cell volume was responsible for the large field-induced strain associated with the AFE-FE phase transition.
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