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Crystals
Special Issues
Advanced Ferroelectric, Piezoelectric and Dielectric Ceramics
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Special Issue "Advanced Ferroelectric, Piezoelectric and Dielectric Ceramics"

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

Deadline for manuscript submissions: 31 December 2023 | Viewed by 1915

Special Issue Editor

Dr. Zhonghua Yao

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
Interests: piezoelectric materials; ferroelectric materials; dielectric materials; multilayered ceramic capacitors; low-temperature cofired ceramics; giant-permittivity materials

Special Issue Information

Dear Colleagues,

Ceramic materials are widely recognized for their particular electrical and mechanical properties, making them attractive for a variety of applications, such as electronics, sensors, actuators, energy storage, and communication devices. This Special Issue focuses on current advances and imminent developments in the synthesis, characterization, and application of advanced ferroelectric, piezoelectric, and dielectric ceramics. The optimization of advanced functional ceramics will have far-reaching impacts in the near future.

This Special Issue will focus on the following elements of ceramic materials research, among others:

  1. Novel synthesis methods and processing techniques for designing ceramic compositions with enhanced properties.
  2. Investigation of the fundamental principles underlying the ferroelectric, piezoelectric, and dielectric behavior of ceramics.
  3. Using characterization techniques, such as X-ray diffraction, electron microscopy, and spectroscopy, to elucidate the structure–property relationships in ceramic materials.
  4. Exploration of advanced functional ceramics, such as multiferroics, relaxor ferroelectrics, and high-temperature superconductors.
  5. Applications of ceramic materials in energy harvesting, sensing, actuation, data storage, and electronic devices.

In this Special Issue, we aim to bring together a diverse range of contributions that highlight the latest breakthroughs and provide insights into the future directions of research in this field. We welcome all types of papers (reviews, full papers, communications, technical notes, highlights, etc.) that delve into the study of advanced ferroelectric, piezoelectric, and dielectric ceramics.

Dr. Zhonghua Yao
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Crystals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ferroelectric ceramics
  • piezoelectric ceramics
  • dielectric ceramics
  • advanced functional ceramics
  • ceramic composites
  • ceramic-based actuators
  • ceramic-based electronic devices
  • ceramic processing and manufacturing
  • microstructure characterization of ceramics
  • thermodynamic and kinetic studies of ceramics, including theory, experiment, modeling, and simulation
  • ceramic application in energy harvesting, sensing, actuation, data storage, and electronic devices

Published Papers (3 papers)

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Research

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8 pages, 7628 KiB  
Article
High-Permittivity and Bias-Voltage-Insensitive (Ba,Sr,Ca)TiO3·0.03(Bi2O3·3TiO2) Ceramics with Y5U Specification
by
Wei Li
,
Zhonghua Yao
,
Hua Hao
,
Minghe Cao
and
Hanxing Liu
Crystals 2023, 13(12), 1627; https://doi.org/10.3390/cryst13121627 - 23 Nov 2023
Viewed by 228
Abstract
Class II ceramics are a material with high permittivity but low reliability of their capacitance and bias voltage due to high the temperature sensitivity of their dielectric permittivity. In this work, a BST-based (Ba0.9−xSrxCa0.1)TiO3·0.03(Bi2 [...] Read more.
Class II ceramics are a material with high permittivity but low reliability of their capacitance and bias voltage due to high the temperature sensitivity of their dielectric permittivity. In this work, a BST-based (Ba0.9−xSrxCa0.1)TiO3·0.03(Bi2O3·3TiO2) (x = 0.2, 0.25, 0.3, 0.35, 0.4) composition with Y5U characteristics was investigated through compositional control to develop high-permittivity and voltage-stable ceramic compositions. Sr doping can increase the breakdown strength (Eb) but decreases the Curie temperature (Tc). The composition at x = 0.3 can obtain optimal comprehensive electrical properties, with high permittivity of 4206, low dielectric loss of ~0.009, and moderate breakdown strength (Eb) of 77.6 kV/cm, which meets Y5U specifications. Typically, a low bias-voltage dependence of capacitance is confirmed with a variation rate of 7.64% under 20 kV/cm. This strategy provides a promising candidate for high-permittivity Class II ceramic dielectrics that can be used in this field. Full article
(This article belongs to the Special Issue Advanced Ferroelectric, Piezoelectric and Dielectric Ceramics)
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11 pages, 2983 KiB  
Article
Evolution Characteristics of Electric Field-Related Properties in Polymorphic Piezoceramics with Temperature-Impelled Phase Transition
by
Chunlin Zhao
,
Haopeng Feng
,
Yanli Huang
,
Xiao Wu
,
Min Gao
,
Tengfei Lin
and
Cong Lin
Crystals 2023, 13(9), 1324; https://doi.org/10.3390/cryst13091324 - 30 Aug 2023
Viewed by 393
Abstract
In this work, to systematically investigate the evolution characteristics of electrical properties in polymorphic piezoceramics, the Ba(Ti0.92Zr0.08)O3 ceramics are selected as a paradigm that possesses all the general phase structures above room temperature. It is found that the [...] Read more.
In this work, to systematically investigate the evolution characteristics of electrical properties in polymorphic piezoceramics, the Ba(Ti0.92Zr0.08)O3 ceramics are selected as a paradigm that possesses all the general phase structures above room temperature. It is found that the evolution of electrical properties with temperature change can be divided into three stages based on phase structure transforming: high ferroelectric and stable strain properties at R and R-O, high ferroelectric and enhanced strain/converse piezoelectric properties at O, O-T, and T phase, and the rapidly decreased ferroelectric and strain properties in T-C and C phase. However, the ferroelectric and strain properties all increase with rising electric field and their evolution can be divided into two parts based on phase structures. The high property and slow increase rate are present at R, R-O, O, and O-T, while the poor property but a high increase rate is present around T-C. Similar results can be found in the evolution of electrostrictive property. Finally, the highest d33* of ~1240 pm/V and Q33 of ~0.053 m4/C2 are obtained at O-T due to the high ferroelectricity but easy domain switching. This work affords important guidance for the property optimization of polymorphic piezoceramics. Full article
(This article belongs to the Special Issue Advanced Ferroelectric, Piezoelectric and Dielectric Ceramics)
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Review

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21 pages, 3643 KiB  
Review
Performance of LiTaO3 Crystals and Thin Films and Their Application
by
Xuefeng Xiao
,
Shuaijie Liang
,
Jiashun Si
,
Qingyan Xu
,
Huan Zhang
,
Lingling Ma
,
Cui Yang
and
Xuefeng Zhang
Crystals 2023, 13(8), 1233; https://doi.org/10.3390/cryst13081233 - 10 Aug 2023
Viewed by 819
Abstract
Lithium tantalate (LiTaO3, or LT) crystal is widely used in optical applications, infrared detection, and acoustic surface wave devices because of its excellent piezoelectric, pyroelectric, and nonlinear optical properties. In this paper, we discuss the defect structure of LT; the preparation [...] Read more.
Lithium tantalate (LiTaO3, or LT) crystal is widely used in optical applications, infrared detection, and acoustic surface wave devices because of its excellent piezoelectric, pyroelectric, and nonlinear optical properties. In this paper, we discuss the defect structure of LT; the preparation method for LT; the influence of doping on LT; and LT’s application in optical, acoustic, and electrical devices. We mainly analyzed the structure and physical properties of LT crystal, the preparation of LT crystal and LT thin films, the periodic polarization of LT crystal, the reduction of LT wafers, and the application potential of LT crystals in lasers and acoustic surface filters according to the most recent research. We also provide an overview of future research directions for LT in the fields of acoustics, optics, and other fields. The applications of LT in 5G, 6G, SAW filters, nonlinear optical devices, and waveguides are expected to provide additional breakthroughs. Full article
(This article belongs to the Special Issue Advanced Ferroelectric, Piezoelectric and Dielectric Ceramics)
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