Composites for Electromagnetic and Magnetoelectric Applications in Electronics

A special issue of Magnetochemistry (ISSN 2312-7481). This special issue belongs to the section "Magnetic Materials".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1759

Special Issue Editor


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Guest Editor
Department of Electrical and Electronics Engineering, Saint Petersburg Mining University, Saint Petersburg, ‎Russia
Interests: Ferrite-ferroelectric structures; Magnetoelectric composites; Thin films; Multifunctional applications in electronics;Ferrite; Ferroelectrics; Piezoelectrics

Special Issue Information

Dear Colleagues,

The possible coupling between electricity and magnetism in solid-state materials has great potential in electronic applications. Over the past few decades, electromagnetic and magnetoelectric materials and devices have been investigated extensively. Significant progress in composites and structures, for electromagnetic and magnetoelectric applications in electronics, has been achieved. We are excited to offer a platform for this exciting new research with a Special Issue of the new open access journal, Magnetochemistry. This Special Issue aims to publish a collection of cutting-edge research articles which will present the latest achievements in the field of polymer composites, magnetoelectric composites, and multiferroic structures that may impact the development of the next generation of electronic devices.

Dr. Alexander S. Tatarenko
Guest Editor

Manuscript Submission Information

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Keywords

  • polymer composites
  • magnetoelectric composites
  • thin films
  • nanostructures and nanocomposite materials
  • multiferroic structures
  • applications for electronic devices
  • engineering/processing of composites
  • characterization of composites
  • theoretical models and calculations of composites
  • composites structures synthesis

Published Papers (1 paper)

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Research

15 pages, 3981 KiB  
Article
The Effect of Magnetically Induced Local Structure and Volume Fraction on the Electromagnetic Properties of Elastomer Samples with Ferrofluid Droplet Inserts
by Catalin N. Marin and Iosif Malaescu
Magnetochemistry 2024, 10(1), 4; https://doi.org/10.3390/magnetochemistry10010004 - 2 Jan 2024
Viewed by 1365
Abstract
The magnetic permeability (μ), dielectric permittivity (ε) and electrical conductivity (σ) of six elastomer samples obtained by mixing silicone rubber (RTV-530) with a kerosene-based ferrofluid in different volume fractions (φ), 1.31%, 2.59% and 3.84%, were [...] Read more.
The magnetic permeability (μ), dielectric permittivity (ε) and electrical conductivity (σ) of six elastomer samples obtained by mixing silicone rubber (RTV-530) with a kerosene-based ferrofluid in different volume fractions (φ), 1.31%, 2.59% and 3.84%, were determined using complex impedance measurements over a frequency range of 500 Hz–2 MHz. Three samples (A0, B0 and C0) were manufactured in the absence of a magnetic field, and the other three samples (Ah, Bh and Ch) were manufactured in the presence of a magnetic field, H = 43 kA/m. The component μ″ of the complex effective magnetic permeability of all samples presents a maximum at a frequency, fmax, that moves to higher values by increasing φ, with this maximum being attributed to Brownian relaxation processes. The conductivity spectrum, σ (f), of all samples follows the Jonscher universal law, which allows for both the determination of the static conductivity, σDC, and the barrier energy of the electrical conduction process, Wm. For the same φ, Wm is lower, and σDC is higher in the samples Ah, Bh and Ch than in the samples A0, B0 and C0. The performed study is useful in manufacturing elastomers with predetermined properties and for possible applications such as magneto-dielectric flexible electronic devices, which can be controlled by the volume fraction of particles or by an external magnetic field. Full article
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