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Advances in Magnetoelectric Materials and Devices

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

Deadline for manuscript submissions: closed (10 May 2023) | Viewed by 5755

Special Issue Editor

Yaroslav-the-Wise Novgorod State University, Veliky Novgorod, Russia
Interests: theory and application of magnetoelectric materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The progress in electronic technology and materials science is directly coupled with functional materials providing a unique opportunity for developing novel components and devices, as their physical and chemical properties are sensitive to changes occurring in the environment, such as temperature, pressure, and electric and magnetic fields. Among functional materials, magnetoelectric (ME) composites represent a class of smart materials that transform one basic physical property into another. The ME effect in these materials consists in inducing an electric polarization by an applied external magnetic field, or vice versa, in inducing a magnetization by an external electric field, and is a result of elastically coupled piezoelectric  and piezomagnetic effects. The fact is that composites have an obvious advantage over single-phase materials, since they demonstrate a giant ME response above room temperature and are ready for technological applications. High ME coefficients necessary for engineering applications can be achieved by the appropriate choice of components with high magnetostriction and piezoelectricity. At present, a large number of works are devoted to theoretical and experimental studies of ME composites and different devices based on them. It is of interest to present a collection of best works in the theory and application of the ME effect.

This Special Issue on “Advances in Magnetoelectric Materials and Devices” will be devoted to describing the characteristics of promising ME materials and devices and discussing the main directions of their development in order to generalize and provide recommendations for future research.

Prof. Dr. Mirza Bichurin
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 effect
  • magnetostrictive and piezoelectric components
  • magnetoelectric composites
  • magnetoelectric sensors
  • magnetoelectric gyrators
  • magnetoelectric harvesters

Published Papers (2 papers)

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Research

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31 pages, 3302 KiB  
Article
Modeling the Magnetoelectric Composites in a Wide Frequency Range
by Mirza Bichurin, Oleg Sokolov, Sergey Ivanov, Elena Ivasheva, Viktor Leontiev, Vyacheslav Lobekin and Gennady Semenov
Materials 2023, 16(17), 5813; https://0-doi-org.brum.beds.ac.uk/10.3390/ma16175813 - 24 Aug 2023
Viewed by 678
Abstract
This article presents a general theory of the ME effect in composites in the low- and high-frequency ranges. Besides the quasi-static region, the area of electromechanical resonance, including longitudinal, bending, longitudinal shear, and torsional modes, is considered in more detail. To demonstrate the [...] Read more.
This article presents a general theory of the ME effect in composites in the low- and high-frequency ranges. Besides the quasi-static region, the area of electromechanical resonance, including longitudinal, bending, longitudinal shear, and torsional modes, is considered in more detail. To demonstrate the theory, expressions of ME voltage coefficients are obtained for symmetric and asymmetric layered structures. A comparison is made with the experimental results for the GaAs/Metglas and LiNbO3/Metglas structures. The main microwave ME effect, consisting of the FMR line shift in an electric field, for the ferromagnetic metals, their alloys, and YIG ferrite using various piezoelectrics is discussed. In addition to analytical calculations, in the article, finite element modeling is considered. The calculation methods and experimental results are compared for some composites. Full article
(This article belongs to the Special Issue Advances in Magnetoelectric Materials and Devices)
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Review

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20 pages, 6173 KiB  
Review
Magnetoelectric Memory Based on Ferromagnetic/Ferroelectric Multiferroic Heterostructure
by Jiawei Wang, Aitian Chen, Peisen Li and Sen Zhang
Materials 2021, 14(16), 4623; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14164623 - 17 Aug 2021
Cited by 12 | Viewed by 4182
Abstract
Electric-field control of magnetism is significant for the next generation of large-capacity and low-power data storage technology. In this regard, the renaissance of a multiferroic compound provides an elegant platform owing to the coexistence and coupling of ferroelectric (FE) and magnetic orders. However, [...] Read more.
Electric-field control of magnetism is significant for the next generation of large-capacity and low-power data storage technology. In this regard, the renaissance of a multiferroic compound provides an elegant platform owing to the coexistence and coupling of ferroelectric (FE) and magnetic orders. However, the scarcity of single-phase multiferroics at room temperature spurs zealous research in pursuit of composite systems combining a ferromagnet with FE or piezoelectric materials. So far, electric-field control of magnetism has been achieved in the exchange-mediated, charge-mediated, and strain-mediated ferromagnetic (FM)/FE multiferroic heterostructures. Concerning the giant, nonvolatile, and reversible electric-field control of magnetism at room temperature, we first review the theoretical and representative experiments on the electric-field control of magnetism via strain coupling in the FM/FE multiferroic heterostructures, especially the CoFeB/PMN–PT [where PMN–PT denotes the (PbMn1/3Nb2/3O3)1−x-(PbTiO3)x] heterostructure. Then, the application in the prototype spintronic devices, i.e., spin valves and magnetic tunnel junctions, is introduced. The nonvolatile and reversible electric-field control of tunneling magnetoresistance without assistant magnetic field in the magnetic tunnel junction (MTJ)/FE architecture shows great promise for the future of data storage technology. We close by providing the main challenges of this and the different perspectives for straintronics and spintronics. Full article
(This article belongs to the Special Issue Advances in Magnetoelectric Materials and Devices)
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