Substitution of Pb with (Li1∕2Bi1∕2) in PbZrO3-based antiferroelectric ceramics

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

doi:10.1142/S2010135X23500224

Journals >Journal of Advanced Dielectrics >Volume 14 >Issue 1 >Page 2350022 > Article

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

_{1 ∕ 2}

_{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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DOI: 10.1142/S2010135X23500224 Cite this Article

Binzhi Liu, Anand P. S. Gaur, Jun Cui, Xiaoli Tan. Substitution of Pb with (Li

_{1 ∕ 2}

_{1 ∕ 2}

) in PbZrO₃-based antiferroelectric ceramics[J]. Journal of Advanced Dielectrics, 2024, 14(1): 2350022 Copy Citation Text

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Abstract

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}

_{0.02}

(Li

_{1 ∕ 2}

_{1 ∕ 2})_{x}

_{0.04}

][Zr

_{0.57}

_{0.34}

_{0.09}

]O₃, with Li

^{+}

and Bi

^{3 +}

substitution of Pb

^{2 +}

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 (3.22

J/cm