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Advances in Magnetic Nanocomposites
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Advances in Magnetic Nanocomposites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 4539

Special Issue Editors

Prof. Dr. Anatoliy B. Rinkevich

E-Mail Website
Guest Editor
M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
Interests: nanomaterials; magnetic composites; microwaves; metamaterials; magnetic properties; thin films and superlattices; giant magnetoresistance; spintronics; physical acoustics
Dr. Dmitriy Vladimirovich Perov

E-Mail Website
Guest Editor
M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
Interests: electrodynamics of continua; waves and fields in inhomogeneous media; thin films and superlattices; metamaterials; signal and image processing

Special Issue Information

Dear Colleagues,

Recently, magnetic nanoparticles, nanocomposites, and nanostructures have received extensive attention due to its technological applications, such as microwave and spintronic devices, magnetic recording media, microwave absorbers and electromagnetic interference shielding, drug delivery, magnetic resonance imaging, magnetic refrigeration, super-capacitors, etc. Magnetic nanocomposites are among these heterogeneous nanosized systems. They demonstrate specific properties conditioned by the influence of interfaces which secure their multifunctional applications. A description of the physical and chemical properties of advanced nanocomposites constitutes essential and difficult scientific tasks.

The Special Issue of Materials named as ‘‘Advances in Magnetic Nanocomposites’’ aims to describe recent development on advanced magnetic nanosized magnetic materials with a detailed explanation of structural, physical, and chemical characteristics, as well as its synthesis and characterization. The papers presented here will report on the properties and applications of multifunctional magnetic nanocomposites consisting of different matrices embedded or decorated by different magnetic nanoparticles of different structures from monophase to core–shell ones and nanowires, cluster-like nanostructures, carbon-containing materials and structures, as well as multilayer systems (including superlattices). We kindly invite you for a contribution to this Special Issue of Materials.

Prof. Dr. Anatoliy B. Rinkevich
Dr. Dmitriy Vladimirovich Perov
Guest Editors

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

  • magnetic nanocomposites
  • magnetic nanostructures
  • magnetic nanoparticles
  • microwave absorbing composites
  • synthesis and characterization
  • polymeric magnetically responsive materials
  • hybrid polymeric composites
  • superparamagnetic oxide nanoparticles
  • biocompatible magnetic materials
  • magnetic resonance imaging
  • magnetic sensors and actuators
  • interface and surface interactions
  • magnetic sensors and actuators
  • multifunctional magnetic nanocomposites

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Published Papers (3 papers)

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Editorial

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2 pages, 168 KiB  
Editorial
Advances in Magnetic Nanocomposites: A New Open Special Issue in Materials
by Anatoly B. Rinkevich and Dmitry V. Perov
Materials 2022, 15(19), 6905; https://doi.org/10.3390/ma15196905 - 5 Oct 2022
Viewed by 1008
Abstract
Carbon-based nanomaterials are crucial for most branches of modern technology [...] Full article
(This article belongs to the Special Issue Advances in Magnetic Nanocomposites)

Research

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14 pages, 4642 KiB  
Article
Magnetic and Microwave Properties of Nanocomposites Containing Iron Particles Encapsulated in Carbon
by Anatoly B. Rinkevich, Dmitry V. Perov, Elena A. Tolmacheva, Evgeny A. Kuznetsov, Olga V. Nemytova and Mikhail A. Uimin
Materials 2022, 15(15), 5124; https://doi.org/10.3390/ma15155124 - 23 Jul 2022
Cited by 3 | Viewed by 1393
Abstract
The magnetic and microwave properties of nanocomposites containing iron particles encapsulated in a carbon shell (Fe@C), as well as carbon nanotubes (CNT), have been experimentally studied. The examination of magnetic properties of composites shows that the materials under study contain a ferromagnetic component. [...] Read more.
The magnetic and microwave properties of nanocomposites containing iron particles encapsulated in a carbon shell (Fe@C), as well as carbon nanotubes (CNT), have been experimentally studied. The examination of magnetic properties of composites shows that the materials under study contain a ferromagnetic component. The availability of ferromagnetic ordering for the dielectric matrix-based nanocomposite sample with Fe@C particles has been confirmed by the measurement results of the transmission and the reflection coefficients of the microwaves, since the ferromagnetic resonance has been observed. Furthermore, in the fields less than the field of ferromagnetic resonance, there are the signs of the presence of ferromagnetic antiresonance. The ferromagnetic resonance leads to minima in the transmission and reflection coefficients, whereas the antiresonance, conversely, leads to maxima in the reflection coefficient. The measurement results have been compared with the theoretical calculations of the field dependence of microwave transmission and reflection coefficients. Full article
(This article belongs to the Special Issue Advances in Magnetic Nanocomposites)
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Graphical abstract

10 pages, 1938 KiB  
Article
Study of Magnetic Properties and Relaxation Time of Nanoparticle Fe3O4-SiO2
by Togar Saragi, Bayu Permana, Arnold Therigan, Hotmas D. Sinaga, Trisna Maulana and Risdiana Risdiana
Materials 2022, 15(4), 1573; https://doi.org/10.3390/ma15041573 - 19 Feb 2022
Cited by 5 | Viewed by 1652
Abstract
The magnetic properties and relaxation time of Fe3O4 nanoparticles, and their encapsulation with silicon dioxide (Fe3O4-SiO2), have been successfully investigated by analyzing the temperature dependence of magnetization (M(T)) and the [...] Read more.
The magnetic properties and relaxation time of Fe3O4 nanoparticles, and their encapsulation with silicon dioxide (Fe3O4-SiO2), have been successfully investigated by analyzing the temperature dependence of magnetization (M(T)) and the time dependence of magnetization (M(t)), using the SQUID magnetometer measurement. The M(T) measurement results can determine the magnetic parameters and magnetic irreversibility of Fe3O4 and Fe3O4-SiO2 samples. The values of Curie constant (C), effective magnetic moment (μeff), and Weiss temperature (θP) are 4.2 (emu.K.Oe/mol), 5.77 μB, and −349 K, respectively, for the Fe3O4 samples, and 81.3 (emu.K.Oe/mol), 25.49 μB, and −2440 K, respectively, for the Fe3O4-SiO2 samples. After encapsulation, the broadening peak deviation decreased from 281.6 K to 279 K, indicating that the superparamagnetic interactions increased with the encapsulation process. The magnetic parameters and irreversibility values showed that the superparamagnetic properties increased significantly after encapsulation (Fe3O4-SiO2). From the results of the M(t) measurement, it was found that there was a decrease in the magnetic relaxation time after the encapsulation process, which indicated that the distribution of the nanoparticle size and anisotropy energy increased. Full article
(This article belongs to the Special Issue Advances in Magnetic Nanocomposites)
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