Unveiling the ferrielectric nature of PbZrO3-based antiferroelectric materials

Zhengqian Fu, Xuefeng Chen, Zhenqin Li, Tengfei Hu, Linlin Zhang, Ping Lu, Shujun Zhang, Genshui Wang (), Xianlin Dong () and Fangfang Xu ()
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Zhengqian Fu: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Xuefeng Chen: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Zhenqin Li: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Tengfei Hu: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Linlin Zhang: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Ping Lu: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Shujun Zhang: Australian Institute of Innovative Materials, University of Wollongong
Genshui Wang: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Xianlin Dong: Shanghai Institute of Ceramics, Chinese Academy of Sciences
Fangfang Xu: Shanghai Institute of Ceramics, Chinese Academy of Sciences

Nature Communications, 2020, vol. 11, issue 1, 1-8

Abstract: Abstract Benefitting from the reversible phase transition between antiferroelectric and ferroelectric states, antiferroelectric materials have recently received widespread attentions for energy storage applications. Antiferroelectric configuration with specific antiparallel dipoles has been used to establish antiferroelectric theories and understand its characteristic behaviors. Here, we report that the so-called antiferroelectric (Pb,La)(Zr,Sn,Ti)O3 system is actually ferrielectric in nature. We demonstrate different ferrielectric configurations, which consists of ferroelectric ordering segments with either magnitude or angle modulation of dipoles. The ferrielectric configurations are mainly contributed from the coupling between A-cations and O-anions, and their displacement behavior is dependent largely on the chemical doping. Of particular significance is that the width and net polarization of ferroelectric ordering segments can be tailored by composition, which is linearly related to the key electrical characteristics, including switching field, remanent polarization and dielectric constant. These findings provide opportunities for comprehending structure-property correlation, developing antiferroelectric/ferrielectric theories and designing novel ferroic materials.

Date: 2020
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DOI: 10.1038/s41467-020-17664-w

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