Substitution of Pb with (Li<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow></mrow><mrow><mn>1</mn><mo stretchy="false">∕</mo><mn>2</mn></mrow></msub></math></inline-formula>Bi<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow></mrow><mrow><mn>1</mn><mo stretchy="false">∕</mo><mn>2</mn></mrow></msub></math></inline-formula>) in PbZrO<sub>3</sub>-based antiferroelectric ceramics

Binzhi Liu; Anand P. S. Gaur; Jun Cui; Xiaoli Tan

doi:10.1142/S2010135X23500224

Journal of Advanced Dielectrics, Volume. 14, Issue 1, 2350022(2024)

Substitution of Pb with (Li $_{1 ∕ 2}$ Bi $_{1 ∕ 2}$ ) in PbZrO₃-based antiferroelectric ceramics

Binzhi Liu, Anand P. S. Gaur, Jun Cui, and Xiaoli Tan^*

Author Affiliations

Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, USA

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PbZrO₃-based antiferroelectric (AFE) ceramics are promising dielectrics for high-energy-density capacitors due to their reversible phase transitions during charge–discharge cycles. In this work, a new composition series, [Pb $_{0.93 - x}$ La $_{0.02}$ (Li $_{1 ∕ 2}$ Bi $_{1 ∕ 2})_{x}$ Sr $_{0.04}$ ][Zr $_{0.57}$ Sn $_{0.34}$ Ti $_{0.09}$ ]O₃, with Li $^{+}$ and Bi $^{3 +}$ substitution of Pb $^{2 +}$ at $x = 0$ , 0.04, 0.08, 0.12, 0.16 is investigated for the microstructure evolution, ferroelectric (FE) and dielectric properties. It is found that Li $^{+}$ and Bi $^{3 +}$ substitution can significantly reduce the sintering temperature and simultaneously enhance the dielectric breakdown strength. An ultrahigh energy efficiency (94.0%) and a large energy density (3.22J/cm $^{3})$ are achieved in the composition of $x = 0.12$ with a low sintering temperature (1075^∘C).

Keywords

energy efficiency energy storage Li+Bi substitution PbZrO₃-based antiferroelectrics

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Binzhi Liu, Anand P. S. Gaur, Jun Cui, Xiaoli Tan. Substitution of Pb with (Li $_{1 ∕ 2}$ Bi $_{1 ∕ 2}$ ) in PbZrO₃-based antiferroelectric ceramics[J]. Journal of Advanced Dielectrics, 2024, 14(1): 2350022

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Paper Information

Category: Research Articles

Received: Aug. 11, 2023

Accepted: Oct. 7, 2023

Published Online: Mar. 25, 2024

The Author Email: Tan Xiaoli (xtan@iastate.edu)

DOI:10.1142/S2010135X23500224

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