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Magnetoelectric Materials and Their Applications
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Magnetoelectric Materials and Their Applications

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

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 4395

Special Issue Editor

Prof. Dr. Yuri Fetisov

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Guest Editor
Research and Education Center “Magnetoelectric Materials and Devices”, MIREA–Russian Technological University, 119454 Moscow, Russia
Interests: magnetoelectric materials and devices

Special Issue Information

Dear Colleagues,

In recent decades, tremendous progress has been made in the fabrication and investigation of magnetoelectric (ME) materials, whose magnetization is changed by an electric field, and electric polarization is changed by a magnetic field. New single-phase ME crystals with room operating temperature were synthesized. Particulate and layered composites of various magnetostrictive and piezoelectric materials with high field conversion efficiency were made. Possibilities of using ME materials in high-sensitivity magnetic field sensors, low-frequency and microwave signals processing devices, data storage elements, and energy harvesting devices were demonstrated.

This Special Issue calls for papers that report on recent advances in the synthesis, research, theoretical description, and application of both single-phase and composite ME materials. In addition to traditional areas of ME materials research, nanocomposite ME materials, lead-free ME materials, flexible ME structures based on piezoelectric and magnetic polymers, strongly anisotropic ME materials, ME structures with semiconductor and active optical layers, nonlinear ME effects, ME devices for the high-frequency range, ME materials-based artificial synaptic devices, and problems in ME devices’ miniaturization are of interest. The potential readers (and authors) of this Special Issue will be material scientists, physicists, chemists, and engineers.

Prof. Dr. Yuri Fetisov
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 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

  • magnetoelectric materials
  • magnetoelectric effects
  • ferromagnetic–piezoelectric structures
  • magnetoelectric devices

Published Papers (2 papers)

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Research

13 pages, 3620 KiB  
Article
Ceramic-Heterostructure-Based Magnetoelectric Voltage Transformer with an Adjustable Transformation Ratio
by Dmitri Saveliev, Dmitri Chashin, Leonid Fetisov, Mikhail Shamonin and Yuri Fetisov
Materials 2020, 13(18), 3981; https://doi.org/10.3390/ma13183981 - 09 Sep 2020
Cited by 7 | Viewed by 2100
Abstract
A voltage transformer employing the magnetoelectric effect in a composite ceramic heterostructure with layers of a magnetostrictive nickel–cobalt ferrite and a piezoelectric lead zirconate–titanate is described. In contrast to electromagnetic and piezoelectric transformers, a unique feature of the presented transformer is the possibility [...] Read more.
A voltage transformer employing the magnetoelectric effect in a composite ceramic heterostructure with layers of a magnetostrictive nickel–cobalt ferrite and a piezoelectric lead zirconate–titanate is described. In contrast to electromagnetic and piezoelectric transformers, a unique feature of the presented transformer is the possibility of tuning the voltage transformation ratio K using a dc magnetic field. The dependences of the transformer characteristics on the frequency and the amplitude of the input voltage, the strength of the control magnetic field and the load resistance are investigated. The transformer operates in the voltage range between 0 and 112 V, and the voltage transformation ratio K is tuned between 0 and 14.1 when the control field H changes between 0 and 6.4 kA/m. The power at the transformer output reached 63 mW, and the power conversion efficiency was 34%. The methods for calculation of the frequency response, and the field and load characteristics of the transformer are proposed. The ways to improve performance characteristics of magnetoelectric transformers and their possible application areas are discussed. Full article
(This article belongs to the Special Issue Magnetoelectric Materials and Their Applications)
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11 pages, 4048 KiB  
Article
Analysis of Magneto-Mechanical Response for Magnetization-Graded Ferromagnetic Material in Magnetoelectric Laminate
by Hai Zhou, Feihu Yu, Xueling Jiang, Caijiang Lu, Zhongqing Cao, Xiang Chen, Hongli Gao and Aichao Yang
Materials 2020, 13(12), 2812; https://doi.org/10.3390/ma13122812 - 22 Jun 2020
Cited by 2 | Viewed by 1910
Abstract
This paper analyzes the dynamic magneto-mechanical response in magnetization-graded ferromagnetic materials (MGFM) comprised of high-permeability Finemet and traditional magnetostrictive materials. The theoretical modeling of the piezomagnetic coefficient that depends on the bias magnetic field of MGFM is proposed by using the nonlinear constitutive [...] Read more.
This paper analyzes the dynamic magneto-mechanical response in magnetization-graded ferromagnetic materials (MGFM) comprised of high-permeability Finemet and traditional magnetostrictive materials. The theoretical modeling of the piezomagnetic coefficient that depends on the bias magnetic field of MGFM is proposed by using the nonlinear constitutive model of a piezomagnetic material, the magnetoelectric equivalent circuit method, and the simulation software Ansoft. The theoretical variation of piezomagnetic coefficients of MGFM on the bias magnetic field is in good agreement with the experiment. Using the piezomagnetic coefficient in the magnetoelectric voltage model, the theoretical longitudinal resonant magnetoelectric voltage coefficients have also been calculated, which are consistent with the experimental values. This theoretical analysis is beneficial to comprehensively understand the self-biased piezomagnetic response of MGFM, and to design magnetoelectric devices with MGFM. Full article
(This article belongs to the Special Issue Magnetoelectric Materials and Their Applications)
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