Special Issue "Ferroelectric Materials: From Fundamentals to Applications"

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 30 November 2021.

Special Issue Editors

Dr. José Eduardo García
E-Mail Website1 Website2
Guest Editor
Department of Physics, Universitat Politècnica de Catalunya -BarcelonaTech, Spain
Interests: ferroelectric and related materials; functional ceramics; light–matter coupling in polar dielectrics; feroelectric domains and domain walls; relaxor ferroelectrics; piezolectricity and piezoelectric devices
Dr. José de los Santos Guerra
E-Mail Website
Guest Editor
Institute of Physics, Universidade Federal de Uberlândia, Brazil
Interests: multifunctional materials; nanostructured composites; multiferroics and ferroelectrics related systems; electroceramics; thin-films; semiconductor ferroelectrics; bio-glass–ceramics and composites; artificial photosynthesis; energy storage and harvester materials

Special Issue Information

Dear Colleagues,

Ferroelectrics are functional materials covering a wide range of applications, from energy and transportation, through to environment monitoring and medicine, to electronic and communication technologies. These fascinating materials own versatile properties that have been exploited for a long time. However, new technological, scientific ,and social challenges keep ferroelectrics in the spotlight of materials science. For instance, device miniaturization and environmental concern have triggered extensive research in nanoscale phenomena and lead-free piezoelectrics, respectively. In addition, ferroelectrics have shown capability for energy conversion and energy harvesting, which are hot interdisciplinary topics expected to have a great impact on society. Therefore, the study of new materials properties and their functionalities are becoming essential, being one of the main goals addressed at integration within current technologies, processing, and devices. From a fundamental point of view, ferroelectrics are intriguing materials possessing the cabability to provide new functionalities via compositional and microstructural design, interfaces optimization, light–matter interactions, and so on. From this perspective, it is our pleasure to invite you to submit a manuscript for this Special Issue. Contributions on all types of ferroelectric materials, either experimental or theoretical studies, as well as potential applications are welcomed.

Dr. José Eduardo García
Dr. José de los Santos Guerra
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 papers will be 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 2000 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

  • Structure–microstructure–properties relationship
  • Lead-based and lead-free piezoelectrics
  • Relaxor ferroelectrics
  • Antiferroelectrics
  • Ferroelectric semiconductors
  • Advanced processing
  • Thin films, single crystals, ceramics and composites
  • Ferroelectrics-based energy harvesting
  • Nanoscale phenomena and size effects
  • Sensors and actuators

Published Papers (1 paper)

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Research

Open AccessArticle
Crossover from Ferroelectric to Relaxor Behavior in Ba1−xCaxTiO3 (x = 0.17) System
Materials 2020, 13(12), 2854; https://doi.org/10.3390/ma13122854 - 25 Jun 2020
Cited by 1 | Viewed by 646
Abstract
The dielectric properties of Ba1−xCaxTiO3 (x = 0.17) ceramics were studied in a wide frequency range of 20 Hz–53 GHz. Diffused ferroelectric phase transition was revealed close to 339 K in the dielectric properties of ceramics. [...] Read more.
The dielectric properties of Ba1−xCaxTiO3 (x = 0.17) ceramics were studied in a wide frequency range of 20 Hz–53 GHz. Diffused ferroelectric phase transition was revealed close to 339 K in the dielectric properties of ceramics. The behaviour of distributions of relaxation times in vicinity of the ferroelectric phase transition temperature is also typical for order-disorder ferroelectric phase transition. However, at lower temperatures (below 200 K), the most probable relaxation increased according to the Arrhenius law. At lower temperatures the maximum of the imaginary part of dielectric permittivity versus temperature strongly shifted to higher temperatures when the frequency increased (from 125 K at 1.21 kHz to 300 K at 33 GHz). This behaviour was attributed to the dynamics of Ti ions. The origin of the crossover from ferroelectric to relaxor behaviour of Ba1−xCaxTiO3 (x = 0.17) ceramics is discussed in the paper. Full article
(This article belongs to the Special Issue Ferroelectric Materials: From Fundamentals to Applications)
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