Special Issue "Piezoelectric Crystals and Ceramics"

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

Deadline for manuscript submissions: 15 January 2020.

Special Issue Editor

Dr. Philippe Veber
E-Mail Website1 Website2
Guest Editor
1. Université Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière UMR 5306, Villeurbanne, France
2. French Committee for Crystal Growth

Special Issue Information

Dear Colleagues,

Significant advances in functional materials have highlighted the role of piezoelectricity. They are able to cooperate with other functional materials, such as those dedicated for magnetism or optics, which is primarily ascribed to polarization dynamics induced by electric, thermal, and stress fields. Intense research methods were implemented on polycrystalline ceramics in order to enhance piezoelectric performance through the construction of morphotropic phase boundary (MPB) and phase convergence regions in some lead-based and lead-free systems. For instance, this was proposed based on the outstanding piezoelectricity of lead-based systems near MPB, because of the monoclinic distortion and polarization rotation. Another example is the excellent strain response obtained in some lead-free polycrystalline ceramics, which resulted from the strong coupling between relaxor and ferroelectric compounds.

Crystal growth has also been proposed to improve the ferroelectric and/or piezoelectric response. On the one hand, the absence of grain boundaries in single crystals facilitates polarization switching and enables a larger volume of the material to contribute to the electromechanical response. On the other hand, engineered domains in ferroelectric single crystals can be formed by poling along a particular crystallographic direction. Finally, further research on piezoelectric single crystals is also motivated by their increased anisotropic macroscopic electrical performance.

This Special Issue aims at covering all of the relevant aspects of lead-based and lead-free piezoelectric crystals and ceramics. Both well-established, novel, or less common compounds, and piezoelectric mechanisms in single crystals and ceramics will be covered. Therefore, the Issue welcomes original research and review manuscripts on the following main aspects:

  • Lead-based and lead-free single crystals and ceramics
  • Piezoelectricity
  • Morphotropic phase boundary
  • Phase convergence region
  • Development and design of piezoelectric single crystals and ceramics
  • Ferroelectricity
  • Domain engineering
  • Role of defects
  • Chemical characterization
  • Electromechanical characterization
  • Ab-initio, DFT, and first principles calculations on piezoelectric single crystals and ceramics

Dr. Philippe Veber
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 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. 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 1400 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.

Published Papers (1 paper)

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Open AccessArticle
Energy Storage Performance of Sandwich Structured Pb(Zr0.4Ti0.6)O3/BaZr0.2Ti0.8O3/Pb(Zr0.4Ti0.6)O3 Films
Crystals 2019, 9(11), 575; https://doi.org/10.3390/cryst9110575 - 01 Nov 2019
We reported a sandwich structured Pb(Zr0.4Ti0.6)O3/BaZr0.2Ti0.8O3/Pb(Zr0.4Ti0.6)O3 (PZT/BZT/PZT) film fabricated by using the sol–gel method, which was dense and uniform with a unique perovskite structure. The PZT/BZT/PZT [...] Read more.
We reported a sandwich structured Pb(Zr0.4Ti0.6)O3/BaZr0.2Ti0.8O3/Pb(Zr0.4Ti0.6)O3 (PZT/BZT/PZT) film fabricated by using the sol–gel method, which was dense and uniform with a unique perovskite structure. The PZT/BZT/PZT films displayed high dielectric constants up to 1722.45 at the frequency of 10 kHz. Additionally, the enhanced energy storage density of 39.27 J·cm−3 was achieved at room temperature and 2.00 MV/cm, which was higher than that of the individual BaZr0.2Ti0.8O3 film (21.28 J·cm−3). Furthermore, the energy storage density and efficiency of PZT/BZT/PZT film increased slightly with the increasing temperature from −140 °C to 200 °C. This work proves the feasibility and effectiveness of a sandwich structure in improving dielectric, leakage, and energy storage performances, providing a new paradigm for high-energy–density dielectrics applications. Full article
(This article belongs to the Special Issue Piezoelectric Crystals and Ceramics)
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