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Advanced Dielectric, Piezoelectric and Ferroelectric Properties of Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 356

Special Issue Editors


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Guest Editor
Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
Interests: dielectric; nanocomposite; interface design; capacitive energy storage; triboelectric/piezoelectric nanogenerator; energy harvesting; energy conversion

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Guest Editor
School of Integrated Circuits, Jiangnan University, Wuxi 214122, China
Interests: piezoelectric composites; porous ferroelectric materials; mechanical energy harvesting; multifunctional sensors

Special Issue Information

Dear Colleagues,

Advanced dielectric/piezoelectric/ferroelectric materials, as important functional materials, play a crucial role in electrical, acoustic, thermal, mechanical, and optical sensing and energy conversion devices and are widely used in high-tech fields such as electronic information technology, pulse power equipment, aerospace, ultrasonic diagnosis, non-destructive testing, and intelligent systems. We are pleased to announce a Special Issue dedicated to exploring cutting-edge developments in functional materials with exceptional dielectric, piezoelectric, and ferroelectric properties, showcasing innovative research driving progress in energy storage, energy harvesting, energy conversion, smart sensing, actuation, and microelectronics. This Special Issue includes—but is not limited to—the following areas:

  • Novel material (ceramics, polymers, composites, crystals, thin/thick film);
  • Advanced synthesis, fabrication, and processing techniques;
  • Theoretical modeling and structure-property relationships;
  • Property characterization and analysis techniques;
  • High-performance materials;
  • Applications in dielectric capacitive energy storage, piezoelectric transducers/sensors/actuators, ferroelectric memory devices, etc.;
  • Emerging applications in energy harvesting, IoT, and flexible electronics;
  • Multi-functional integrated devices and systems.

Full papers, communications, and reviews that address these themes are warmly welcomed. Together, we aim to provide a comprehensive overview of the current state and future directions of advanced dielectric/piezoelectric/ferroelectric materials research.

Dr. Ru Guo
Dr. Mingyang Yan
Guest Editors

Manuscript Submission Information

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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

  • dielectric
  • piezoelectric
  • ferroelectric
  • energy storage
  • energy harvesting
  • electrocaloric
  • sensing
  • actuation
  • electronics
  • fundamental principles

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Published Papers (1 paper)

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Research

17 pages, 2988 KB  
Article
Effect of Ba:Ti Molar Ratio and Sintering Temperature on the Structural and Electrical Properties of BaTiO3-Type Solid Solutions, Synthesized by the Hydrothermal Method
by José Agustin Palmas Léon, Leandro Ramajo, Rodrigo Parra, Miguel Pérez Labra, Francisco Raúl Barrientos Hernández, Alejandro Cruz Ramírez, Vanessa Acosta Sanchez, Aislinn Michelle Teja Ruiz and Sayra Ordoñez Hernández
Materials 2025, 18(20), 4797; https://doi.org/10.3390/ma18204797 - 21 Oct 2025
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Abstract
The results of the effect of the three Ba:Ti molar ratios (MR) (1:1, 2:1, 4:1) and four sintering temperatures (1250, 1275, 1300, 1325 °C) on the structural and electrical properties of BaTiO3 (BT)-type ceramics synthesized by the hydrothermal method are shown. The [...] Read more.
The results of the effect of the three Ba:Ti molar ratios (MR) (1:1, 2:1, 4:1) and four sintering temperatures (1250, 1275, 1300, 1325 °C) on the structural and electrical properties of BaTiO3 (BT)-type ceramics synthesized by the hydrothermal method are shown. The BT phase formed was analyzed by x-ray diffraction (XRD), Raman spectroscopy (RS), dielectric and ferroelectric measurements and high-resolution scanning electron microscopy (HRSEM). For the samples synthesized using a Ba:Ti MR of 4:1 and at all sintering temperatures analyzed, XRD results confirmed the presence of the tetragonal ferroelectric phase, BT. In the same way, these results corroborated the results obtained by the RS technique. Dielectric properties measured at 100 kHz and 1 MHz over a temperature range of 30 °C–200 °C indicated a relative permittivity value of 4280 at 1 MHz and 4200 at 100 KHz at a Curie temperature of 110 °C in both cases for the sample synthesized at with a Ba:Ti MR ratio of 4:1 and sintered at 1300 °C. Ferroelectric measurements for the samples showed a best remnant polarization (Pr) of 3.5 µC/cm2 for the sample synthesized with a Ba:Ti MR ratio of 4:1 and sintered at 1325 °C. The HRSEM results showed grains composed of Ba, Ti, and O homogeneously distributed in the BT structure, and a trend of increasing average grain size with increasing sintering temperature was observed. Full article
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