Special Issue "Structure, Morphology, and Electrical/Magnetic Properties of Oxides and Oxide–Polymer Composites"

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 73

Special Issue Editors

Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus, 220072 Minsk, Belarus
Interests: materials science; magnetic materials; thin films; functional coatings; nanomaterials
Special Issues, Collections and Topics in MDPI journals
Laboratory of Magnetic Films Physics, SSPA “Scientific and Practical Materials Research Centre of NAS of Belarus”, 19, P. Brovki Str., 220072 Minsk, Belarus
Interests: energy storage; thin films; complex oxides of transition metals; polymer nanocomposites; multiferroics; electro-magnetic shielding; composite magnetodielectrics; carbon based nanocomposites; spintronics
Special Issues, Collections and Topics in MDPI journals
1. Laboratory of Single Crystal Growth, South Ural State University, 454080 Chelyabinsk, Russia
2. Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus, 220072 Minsk, Belarus
Interests: electrochemical analysis; material characterization; nanomaterials; electrodeposition; materials; nanomaterials synthesis; self-assembled monolayers; nanostructured materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Different complex transitional metal oxides are suitable candidates for electrical magnetic and dielectric materials. Such materials have found wide application in various fields of science and technology, such as in the cores of generators, electric motors, transformers, and switches; in magneto-optical recording media and waveguides; etc. Currently, complex iron oxides called ferrites are often used in biomedical applications such as magnetic drug delivery systems, contrast agents for MRI (magnetic resonance imaging), and magnetic particle imaging. One of the most important tasks in the creation of modern mobile communication devices is the development of new materials capable of operating in a wide (up to 100 GHz) frequency range. Ferrites are one of the most promising electromagnetic materials for use in the centimeter- and millimeter-wave ranges due to their high magnetic permeability and magnetization, as well as their good dielectric properties, in the microwave range. These compounds are strong magnets with highly coercive properties and magnetic permeability, and are also characterized by high values of magnetocrystalline anisotropy. Surface and quantum confinement phenomena associated with the huge surface-to-volume ratio and scale-dependent characteristics of nanostructured ferrites have recently attracted close attention. By changing these values, it is possible to obtain the desired changes in the physicochemical properties of ferrites and the parameters of finished products from them. Nanoscale ferrite samples can be obtained by spray pyrolysis, citrate gel, hydrothermal, sol–gel, microwave boiling, coprecipitation, and flash combustion. Ferrite nanoparticles have a high electrical resistivity. Their anomalous magnetic properties are due to the interconnected distribution of the initial cations at the sites of the crystal lattice. A nanocomposite is defined as a material with more than one solid phase, cermet, or polymer that is compositionally or structurally bonded, where at least one dimension is in the nanometer range. The combination of nanoparticles of complex transitional metal oxides and carbon with a polymer is very attractive not only for enhancing the dielectric properties of the polymer, but also for imparting new electronic properties to the resulting material based on the morphological modification or electronic interaction between the two components. The properties of a nanocomposite are greatly affected by the scale of its constituent phases and the degree of mixing of these phases. Depending on the nature of the components used and the method of preparation, significant differences in the properties of the nanocomposite can be obtained. Nanocomposites based on polymers with the addition of ferrites represent a new concept for creating functional systems with desired properties resulting from the synergistic interaction of the filler and matrix. Polymer–ceramic nanocomposites are promising materials. They can combine the high magnetic and dielectric constants of ferrites with the mechanical processability and flexibility of polymers.

Dr. Tatiana Zubar
Dr. Ekaterina L. Trukhanova
Dr. Daria Tishkevich
Guest Editors

Manuscript Submission Information

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  • energy storage
  • thin films
  • complex oxides of transition metals
  • polymer nanocomposites
  • multiferroics
  • electro-magnetic shielding
  • composite magnetodielectrics
  • carbon-based nanocomposites
  • spintronics

Published Papers

There is no accepted submissions to this special issue at this moment.
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