Ultrahigh-temperature piezoelectric polycrystalline ceramics: dramatically enhanced ferroelectricity, piezoelectricity and electrical resistivity in Ca1−3xBi2+3xNb2−xMnxO9

Changbai Long; Wei Ren; Kun Zheng; Huiqing Fan

doi:10.1080/21663831.2020.1725676

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Ultrahigh-temperature piezoelectric polycrystalline ceramics: dramatically enhanced ferroelectricity, piezoelectricity and electrical resistivity in Ca1−3xBi2+3xNb2−xMnxO9

Original Report | 更新时间：2026-08-19

- Ultrahigh-temperature piezoelectric polycrystalline ceramics: dramatically enhanced ferroelectricity, piezoelectricity and electrical resistivity in Ca1−3xBi2+3xNb2−xMnxO9
- Materials Research Letters Vol. 8, Issue 4, Pages: 165-172(2020)
- 作者机构：
  
  1. School of Advanced Materials and Nanotechnology Xidian University Xi’an People’s Republic of China
  2. Electronic Material Research Laboratory Key Laboratory of the Ministry of Education & International Center for Dielectric Research Xi’an Jiaotong University
  3. State Key Laboratory of Solidification Processing School of Materials Science and Engineering Northwestern Polytechnical University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1725676
  CLC：
- Online First：14 February 2020，
  
  Published：2020
- 稿件说明：
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Changbai Long, Wei Ren, Kun Zheng, et al. Ultrahigh-temperature piezoelectric polycrystalline ceramics: dramatically enhanced ferroelectricity, piezoelectricity and electrical resistivity in Ca1−3xBi2+3xNb2−xMnxO9[J]. Materials Research Letters, 2020, 8(4): 165-172.
DOI：

Changbai Long, Wei Ren, Kun Zheng, et al. Ultrahigh-temperature piezoelectric polycrystalline ceramics: dramatically enhanced ferroelectricity, piezoelectricity and electrical resistivity in Ca1−3xBi2+3xNb2−xMnxO9[J]. Materials Research Letters, 2020, 8(4): 165-172. DOI： 10.1080/21663831.2020.1725676.

摘要

Abstract

BSTRACTAmong Aurivillius-phase ferroelectric ceramics

CaBi

is considered as the best candidate with potential applications in ultrahigh-temperature piezoelectric devices due to the highest

(∼940 °C). This paper reports that BiMn co-substitution at A and B sites gives rise to dramatic enchantments in ferroelectricity

piezoelectricity

and electrical resistivity of CaBi

ceramics. The optimum composition (Ca

0.97

2.03

1.99

0.01

) with a

of 953 ± 3°C shows a high ferroelectric remnant polarization (

)

field-induced strain (

)

piezoelectric activity

and d33∗ with values of ∼11.1 µC/cm

4.9 × 10

−4

20.8 and 26.1 pC/N

respectively

which are about two to three times those of CaBi

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