Recent Research on Piezoelectric Ceramics

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Polycrystalline Ceramics".

Deadline for manuscript submissions: 29 June 2026 | Viewed by 1586

Special Issue Editors


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Guest Editor
Guangxi Key Laboratory of Processing for Non-Ferrous Metallic and Featured Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China
Interests: ferroelectric/antiferroelectric ceramics/single crystals; dielectric energy storage

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Guest Editor
School of Science, Harbin University of Science and Technology, Harbin 150080, China
Interests: piezoelectric crystals; piezoelectric ceramics; crystal growth; ferroelectric domain structure

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Guest Editor
School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China
Interests: piezoelectric ceramics; ferroelectric single crystals; ultrasonic transducer; ferroelectric microstructure

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Guest Editor
School of Science, Harbin University of Science and Technology, Harbin 150080, China
Interests: piezoelectric ceramics; textured ceramics; piezoelectric crystals; ferroelectric domain structure; ultrasonic testing
School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, China
Interests: piezoelectric ceramics, textured ceramics, piezo-actuators, multilayer piezo-devices

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Guest Editor
Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, China
Interests: piezoelectric ceramics; ferroelectric single crystals; ultrasonic transducer; ferroelectric microstructure

Special Issue Information

Dear Colleagues,

Piezoelectric materials are widely used in various electronic devices, such as capacitors, sensors, transducers, thermistors, and actuators, due to their ability to interconvert mechanical and electrical energy. For these advanced applications, piezoceramics with good electrical properties can be prepared using methods such as solid-state reaction, sol–gel, hot-pressing, two-step sintering, and so on. Manufacturing technologies have attracted a lot of attention in recent decades, but they pose a great challenge in the quality and property of piezoceramics. Defects, oxygen vacancy, and uniform grain distribution easily occur during the preparation process. Understanding the electrical properties, determining defect evolution and grain growth mechanisms at the micro- and nano-scales, exploring innovative preparation technology, and optimizing preparation process parameters are of great significance to achieve piezoceramics with high electricity and temperature stability. This Special Issue aims to summarize frontier research on processing and electrical characterization of various piezoceramics. The scope of this Special Issue includes but is not limited to

  • Manufacture technologies of piezoceramics;
  • Piezoelectricity;
  • Ferroelectricity;
  • Defects and oxygen vacancy;
  • Grain;
  • Electric property characterization.

Dr. Junjun Wang
Prof. Dr. Nengneng Luo
Dr. Xudong Qi
Dr. Linjing Liu
Dr. Jie Wu
Dr. Kai Li
Guest Editors

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Keywords

  • piezoelectric ceramics
  • manufacture technologies
  • piezoelectricity
  • defect
  • grain

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Published Papers (2 papers)

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Research

9 pages, 1465 KB  
Article
Optimizing Sintering Temperature for Enhanced Piezoelectric Performance in PMT-PNT-PZT Ceramics
by Shaoyang Yuan, Junjun Wang, Junjun He, Liqiang Liu, Yufang Jiao, Yan Mu and Fengmin Wu
Crystals 2026, 16(3), 163; https://doi.org/10.3390/cryst16030163 - 27 Feb 2026
Viewed by 341
Abstract
The 0.006Pb(Mn1/3Ta2/3)O3-0.114Pb(Ni1/3Ta2/3)O3-0.43PbZrO3-0.45PbTiO3 lead-based ceramics (PMT-PNT-PZT) were synthesized via the solid-state reaction at different sintering temperatures to study their effects on phase structure, microstructure, and electrical properties. The maximum [...] Read more.
The 0.006Pb(Mn1/3Ta2/3)O3-0.114Pb(Ni1/3Ta2/3)O3-0.43PbZrO3-0.45PbTiO3 lead-based ceramics (PMT-PNT-PZT) were synthesized via the solid-state reaction at different sintering temperatures to study their effects on phase structure, microstructure, and electrical properties. The maximum mechanical quality factor (Qm) and relative permittivity (εr) were achieved at the sintering temperature of 1200 °C. The piezoelectric constant d33 of 400 pC/N was obtained at 1180 °C, which is attributed to the high grain density and the significant contribution from the remanent polarization and permittivity product (Prεr = 39,115 μC/cm2). Compared with commercial PZT4 ceramics, the present composition sintered at 1180 °C exhibits an optimal balance between d33 and Qm, together with the superior figure of merit (FOM = 2.04 × 105 pC/N). Furthermore, it demonstrates excellent temperature stability in electromechanical coupling performance. Full article
(This article belongs to the Special Issue Recent Research on Piezoelectric Ceramics)
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27 pages, 10016 KB  
Article
The Effect of Sintering Atmosphere and Temperature on Densification, Grain Growth Behavior and Electrical Properties of 0.685(Na0.5Bi0.5)TiO3-0.065BaTiO3-0.25SrTiO3 Ceramics
by Nazım Ecebaş, Thi Huyen Tran Tran, John G. Fisher, Jong-Sook Lee, Woo-Jin Choi, Yeon-Bee Han and Wook Jo
Crystals 2026, 16(2), 143; https://doi.org/10.3390/cryst16020143 - 16 Feb 2026
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Abstract
(Na0.5Bi0.5)TiO3-BaTiO3-SrTiO3-based lead-free piezoelectric ceramics are one of the possible replacements for Pb(Zr1−xTix)O3. Although they are considered a promising alternative actuator material due to their large electric-field-induced strains, [...] Read more.
(Na0.5Bi0.5)TiO3-BaTiO3-SrTiO3-based lead-free piezoelectric ceramics are one of the possible replacements for Pb(Zr1−xTix)O3. Although they are considered a promising alternative actuator material due to their large electric-field-induced strains, they have several drawbacks, such as large strain hysteresis and the requirement of a high electric field to obtain large electric-field-induced strains. Sintering parameters strongly influence the electrical properties. Thus, the effect of sintering parameters, including atmosphere (air/oxygen), temperature (1150 °C~1250 °C) and holding time (1~20 h) on the sintering behavior of 0.685(Na0.5Bi0.5)TiO3-0.065BaTiO3-0.25SrTiO3 electroceramics was studied. Then, the influence of sintering atmosphere on the piezoelectric, ferroelectric and dielectric properties of 0.685(Na0.5Bi0.5)TiO3-0.065BaTiO3-0.25SrTiO3 electroceramics sintered at 1250 °C for 1 h was investigated. Sintering in oxygen improves density and restrains grain growth including abnormal grain growth. 0.685(Na0.5Bi0.5)TiO3-0.065BaTiO3-0.25SrTiO3 electroceramics sintered in oxygen exhibit smaller grain size, higher density, similar inverse piezoelectric coefficient d33* and lower strain hysteresis compared to air-sintered samples. The effect of sintering atmosphere on grain growth is explained using the mixed control mechanism of boundary migration. Full article
(This article belongs to the Special Issue Recent Research on Piezoelectric Ceramics)
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