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Exploring the Versatility of Piezoelectric and Dielectric Electroceramics: Synthesis, Characterization,...
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Exploring the Versatility of Piezoelectric and Dielectric Electroceramics: Synthesis, Characterization, and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced and Functional Ceramics and Glasses".

Deadline for manuscript submissions: 20 June 2025 | Viewed by 2109

Special Issue Editors

Prof. Dr. Dionizy Czekaj

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 11/12 Narutowicza Str., 80-233 Gdańsk, Poland
Interests: technology of ferroelectric thin films, electroceramics and composites; new characterization techniques; characterization of structure and functional properties of electroceramics; electrical and dielectric properties; simulation and modeling; data engineering
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Barbara Garbarz-Glos

E-Mail Website
Guest Editor
Institute of Technology, University of the National Education Commission, Podchorążych 2, 30-084 Kraków, Poland
Interests: XRD powder diffraction; microstructure; functional materials; ferroelectrics; dielectric/impedance spectroscopy; phase transformation

Special Issue Information

Dear Colleagues,

Electroceramics, a distinctive subset of electronic materials, boast an array of remarkable physical properties, including dielectric, magnetic, and semiconductor behavior. This interdisciplinary field encompasses phenomena such as ferroelectricity, piezoelectricity, and pyroelectricity, offering a rich tapestry of intellectual challenges spanning various engineering and basic science disciplines. Examples of versatility in their properties and potential applications include, but are not limited to, the colossal magnetoresistive effect, giant electrocaloric effect, giant photovoltaic effect, and energy harvesting.

Our Special Issue delves into the synthesis methods, processing techniques, and advanced characterization of electroceramics. We explore the intricate (micro)structure-property relationships and their applications across diverse domains, with a particular focus on piezoelectric and dielectric ceramics. Additionally, we examine ferroelectrics, multiferroics, high-temperature superconducting ceramics, and emerging areas like microwave ceramics, porous ceramics, ceramic matrix composites, and ceramic ion conductors.

Key areas of focus include:

  1. Piezoelectric ceramics (for engineering and bio-engineering)
  2. Dielectric ceramics
  3. Ferroelectrics and multiferroics
  4. Microwave ceramics and wireless communications
  5. Porous ceramics
  6. Ceramic materials for energy harvesting and storage
  7. Ceramic matrix composites
  8. Ceramic thin/thick films and coatings
  9. Ceramic ion conductors and mixed ionic-electronic conductors
  10. Mechanics and nanomechanics of ceramics
  11. Ceramic-based actuators, sensors, and transducers
  12. Advanced characterization techniques utilized for ceramics
  13. Simulation and modeling approaches for ceramic materials development

Prof. Dr. Dionizy Czekaj
Prof. Dr. Barbara Garbarz-Glos
Guest Editors

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. Materials is an international peer-reviewed open access semimonthly 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

  • electroceramics
  • piezoceramics
  • nanostructured ceramics
  • textured ceramics
  • corner-sharing oxygen octahedral structure
  • ceramic matrix composites
  • fabrication techniques
  • (micro)structure–property relationships
  • energy generation, storage, and conversion
  • multiferroics, magnetism, thermoelectrics, and optoelectronics
  • high-temperature superconductivity

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Published Papers (2 papers)

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Research

12 pages, 3594 KiB  
Article
Structure–Dopant Concentration Relations in Europium-Doped Yttrium Molybdate and Peak-Sharpening for Luminescence Temperature Sensing
by Tamara Gavrilović, Aleksandar Ćirić, Mina Medić, Zoran Ristić, Jovana Periša, Željka Antić and Miroslav D. Dramićanin
Materials 2024, 17(17), 4267; https://doi.org/10.3390/ma17174267 - 28 Aug 2024
Cited by 1 | Viewed by 1001
Abstract
A set of Eu3+-doped molybdates, Y2−xEuxMo3O12 (x = 0.04; 0.16; 0.2; 0.4; 0.8; 1; 1.6; 2), was synthesized using a solid-state technique and their properties studied as a function of Eu3+ concentration. X-ray diffraction showed [...] Read more.
A set of Eu3+-doped molybdates, Y2−xEuxMo3O12 (x = 0.04; 0.16; 0.2; 0.4; 0.8; 1; 1.6; 2), was synthesized using a solid-state technique and their properties studied as a function of Eu3+ concentration. X-ray diffraction showed that the replacement of Y3+ with larger Eu3+ resulted in a transformation from orthorhombic (low doping concentrations) through tetragonal (high doping concentrations), reaching monoclinic structure for full replacement in Eu2Mo3O12. The intensity of typical Eu3+ red emission slightly increases in the orthorhombic structure then rises significantly with dopant concentration and has the highest value for the tetragonal Y2Mo3O12:80mol% Eu3+. Further, the complete substitution of Y3+ with Eu3+ in the case of monoclinic Eu2Mo3O12 leads to decreased emission intensity. Lifetime follows a similar trend; it is lower in the orthorhombic structure, reaching slightly higher values for the tetragonal structure and showing a strong decrease for monoclinic Eu2Mo3O12. Temperature-sensing properties of the sample with the highest red Eu3+ emission, Y2Mo3O12:80mol% Eu3+, were analyzed by the luminescence intensity ratio method. For the first time, the peak-sharpening algorithm was employed to separate overlapping peaks in luminescence thermometry, in contrast to the peak deconvolution method. The Sr (relative sensitivity) value of 2.8 % K−1 was obtained at room temperature. Full article
(This article belongs to the Special Issue Exploring the Versatility of Piezoelectric and Dielectric Electroceramics: Synthesis, Characterization, and Applications)
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15 pages, 6959 KiB  
Article
The Influence of Lanthanum Admixture on Microstructure and Electrophysical Properties of Lead-Free Barium Iron Niobate Ceramics
by Dariusz Bochenek, Dagmara Brzezińska, Przemysław Niemiec and Lucjan Kozielski
Materials 2024, 17(15), 3666; https://doi.org/10.3390/ma17153666 - 25 Jul 2024
Cited by 1 | Viewed by 803
Abstract
This article presents the research results of lead-free Ba1−3/2xLax(Fe0.5Nb0.5)O3 (BFNxLa) ceramic materials doped with La (x = 0.00–0.06) obtained via the solid-state reaction method. The tests of the BFNx [...] Read more.
This article presents the research results of lead-free Ba1−3/2xLax(Fe0.5Nb0.5)O3 (BFNxLa) ceramic materials doped with La (x = 0.00–0.06) obtained via the solid-state reaction method. The tests of the BFNxLa ceramic samples included structural (X-ray), morphological (SEM, EDS, EPMA), DC electrical conductivity, and dielectric measurements. For all BFNxLa ceramic samples, the X-ray tests revealed a perovskite-type cubic structure with the space group Pm3¯m. In the case of the samples with the highest amount of lanthanum, i.e., for x = 0.04 (BFN4La) and x = 0.06 (BFN6La), the X-ray analysis also showed a small amount of pyrochlore LaNbO4 secondary phase. In the microstructure of BFNxLa ceramic samples, the average grain size decreases with increasing La content, affecting their dielectric properties. The BFN ceramics show relaxation properties, diffusion phase transition, and very high permittivity at room temperature (56,750 for 1 kHz). The admixture of lanthanum diminishes the permittivity values but effectively reduces the dielectric loss and electrical conductivity of the BFNxLa ceramic samples. All BFNxLa samples show a Debye-like relaxation behavior at lower frequencies; the frequency dispersion of the dielectric constant becomes weaker with increasing admixtures of lanthanum. Research has shown that using an appropriate amount of lanthanum introduced to BFN can obtain high permittivity values while decreasing dielectric loss and electrical conductivity, which predisposes them to energy storage applications. Full article
(This article belongs to the Special Issue Exploring the Versatility of Piezoelectric and Dielectric Electroceramics: Synthesis, Characterization, and Applications)
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