Role of Bi2O3 and PbO excess on the Di-/ferro-/piezoelectric and bi-polar strain properties in 0.39Bi(Ni0.5Ti0.5)O3–0.20PbZrO3–0.41PbTiO3 ternary ceramics near MPB

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Applied Physics A Pub Date : 2024-12-23 DOI:10.1007/s00339-024-08161-8

S. Guru Bharath, G. Anandha Babu, C. Manikandan, E. Varadarajan

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Abstract

0.39Bi(Ni_0.5Ti_0.5)O₃–0.20PbZrO₃–0.41PbTiO₃:x(Bi₂O₃ + PbO) (BNPZT:xBiPb, x = 0, 1, and 2) piezoceramics were prepared via conventional solid-state route. The impact of excess Bi₂O₃ and PbO on the structural, dielectric, ferroelectric, bipolar strain, and piezoelectric properties of BNPZT ceramics was investigated. The Rietveld refinement results indicated that all sintered ceramics were well crystallized into a pure perovskite structure with major rhombohedral and minor tetragonal phases. The temperature and frequency dependence of dielectric measurements revealed relaxor behavior and a high Curie temperature (Tc ~ 290 °C) for BNPZT:1BiPb ceramics. High remnant polarization (Pr ~ 25.43 μC/cm²), low coercive field (Ec ~ 16.73 kV/cm), and bipolar strain (0.12%) were achieved in BNPZT:1BiPb ceramics. This study outlines a route for exploring new piezoelectric materials with enhanced electrical properties.

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Bi2O3和PbO过量对MPB附近0.39Bi(Ni0.5Ti0.5) O3-0.20PbZrO3-0.41PbTiO3三元陶瓷的Di-/铁-/压电和双极性应变性能的影响

采用常规固相工艺制备了0.39Bi(Ni0.5Ti0.5) O3-0.20PbZrO3-0.41PbTiO3:x(Bi2O3 + PbO) （BNPZT:xBiPb, x = 0,1，和2）压电陶瓷。研究了过量Bi2O3和PbO对BNPZT陶瓷结构、介电、铁电、双极应变和压电性能的影响。Rietveld细化结果表明，所有烧结陶瓷均良好结晶为纯钙钛矿结构，主要为菱形相，少量为四方相。电介质测量的温度和频率依赖性揭示了BNPZT:1BiPb陶瓷的弛豫特性和高居里温度（Tc ~ 290℃）。在BNPZT:1BiPb陶瓷中获得了高残余极化（Pr ~ 25.43 μC/cm2）、低矫顽力场（Ec ~ 16.73 kV/cm）和双极应变（0.12%）。这项研究概述了探索具有增强电性能的新型压电材料的途径。

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来源期刊

Applied Physics A 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.40%

发文量

964

审稿时长

38 days

期刊介绍： Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.