Advanced Ferroelectric Materials and Films: From Materials to Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Thin Films".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 3803

Special Issue Editor


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Guest Editor
Department of Physical Electronics and Technology, St. Petersburg State Electrotechnical University (LETI), 5 prof. Popov Str., 197376 St. Petersburg, Russia
Interests: ferroelectric, dielectric, and superconducting film growth and characterization; ferroelectric films for microwave applications; ferroelectric tunable and storage devices
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Special Issue Information

Dear Colleagues,

Ferroelectricity has been one of the most used and studied phenomena in both scientific and industrial communities. Ferroelectrics have been studied for many years and have been found to be particularly important materials for application in piezoelectric, pyroelectric, electrostrictive, and linear and nonlinear high frequency and optical devices. In the past two decades, intensive development efforts are being made in this direction. A wide range of materials has been produced, and some excellent-quality thin-film, polycrystalline, and single-crystal ferroelectrics have been obtained. Based on ferroelectric materials, such devices as high-energy-density capacitors, high-power transmitting antennas, devices for matching energy transmission lines, controlled dielectric lenses, and electrically tunable capacitive elements have been elaborated. Promising breakthrough applications of ferroelectric materials are still under development (non‐volatile memory, microwave, optical devices, etc.), making ferroelectrics one of tomorrow’s most important materials. The main driving force for this resurgent interest is the potential for substantial miniaturization of components and systems (also accompanied by a large cost reduction) and the potential for integration with microelectronic circuits due to the development of thin-film ferroelectric technology.

The aim of this Special Issue is to highlight the most recent advancements in the science and technology of ferroelectric materials, covering a broad range of fields from theory and modeling, via processing and characterization thereof, to the development of new applications and devices, through a combination of original research papers and review articles from leading groups around the world.

The topics of interest include but are not limited to:

  • Ferroelectric film growth and characterization;
  • Novel ferroelectric/piezoelectric/multiferroic thin films, composites, and bulk materials;
  • Novel materials for ferroelectric memories and capacitors;
  • Tunable ferroelectric devices for high-frequency applications;
  • Energy harvesting, piezoelectric, IR, and terahertz sensors;
  • Bulk acoustic devices (BAW and FBAR).

Prof. Dr. Andrey Tumarkin
Guest Editor

Manuscript Submission Information

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Keywords

  • ferroelectric materials and applications
  • piezoelectrics
  • multiferroics
  • ferroelectric memories
  • tunable devices
  • storage devices

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Published Papers (2 papers)

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Research

12 pages, 3865 KiB  
Article
Nonlinear Optics for Crystallographic Analysis in Lead Zirconate Titanate
by Andrey Sergeevich Elshin, Mikhail Vladimirovich Staritsyn, Igor Petrovich Pronin, Stanislav Viktorovich Senkevich and Elena Dmitrievna Mishina
Coatings 2023, 13(2), 247; https://doi.org/10.3390/coatings13020247 - 20 Jan 2023
Cited by 1 | Viewed by 2019
Abstract
The azimuthal dependences of the optical second harmonic generation signal from crystallized regions (spherulites) of the ferroelectric phase in lead zirconate titanate films are investigated to determine the symmetry and orientation of crystallites. These dependencies in different regions of the same spherulite have [...] Read more.
The azimuthal dependences of the optical second harmonic generation signal from crystallized regions (spherulites) of the ferroelectric phase in lead zirconate titanate films are investigated to determine the symmetry and orientation of crystallites. These dependencies in different regions of the same spherulite have different shapes, which indicates a difference in crystallographic orientations and/or symmetry. Based on the assumption of the possible presence of two syngonies and three orientations for each, the fitting of experimental azimuthal dependences by model curves was carried out, which provided information about the ratio of these phases and orientations in different areas of the film. Full article
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15 pages, 3462 KiB  
Article
Morphology Features of Ferroelectric Submicron Domains Written by E-Beam under a Metal Film in LiNbO3
by Lyudmila S. Kokhanchik, Evgeny V. Emelin and Vadim V. Sirotkin
Coatings 2022, 12(12), 1881; https://doi.org/10.3390/coatings12121881 - 3 Dec 2022
Cited by 3 | Viewed by 1547
Abstract
The practical significance of ferroelectric domains and various domain boundaries has been growing steadily in recent years. In this work, various domain structures were written with an electron beam through a thin aluminum film on a −Z cut of bulk lithium niobate. [...] Read more.
The practical significance of ferroelectric domains and various domain boundaries has been growing steadily in recent years. In this work, various domain structures were written with an electron beam through a thin aluminum film on a −Z cut of bulk lithium niobate. The use of relatively low accelerating voltages (5 and 10 kV) and the grounding of the surface metallization made it possible to write periodic structures (1D and 2D) on large areas with domain sizes ≤1 μm. Selective domain etching and AFM in contact mode were used to observe various domain shapes obtained in the experiments. An unusual feature of the submicron-sized domains was needle-like vertices. Importantly, the vertices of the domains were deepened relative to the irradiated surface. It was found that the size and proximity of the irradiated regions to each other in the patterns used can significantly change the upper part of the domains. The experimental data were analyzed and discussed taking into account the computer simulation of the spatial field distribution of injected electron beam charges. The obtained results contribute to the development of controlled writing of submicron-sized domain structures using an electron beam. Full article
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