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Magnetic Nanomaterials: Synthesis, Characterization and Applications

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

Deadline for manuscript submissions: 31 March 2025 | Viewed by 629

Special Issue Editors


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Guest Editor
Department of Chemical Engineering, Konkuk University, Seoul 05029, Republic of Korea
Interests: protein engineering; nanobiocatalyst; artificial intelligence; QM/MM calculation
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Guest Editor
Department of Biotechnology, Hemwati Nandan Bahuguna Garhwal University Srinagar, India
Interests: nanotechnology; microbial biotransformation; bioremediation; renewable energy; anti-microbial; biosensors; biotherapeutics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, “Magnetic Nanomaterials: Synthesis, Characterization, and Applications”, will cover research on magnetic nanomaterials and their synthesis, characterization, and broad potential applications,  including adsorbents, chemical synthesis, energy, polymers, sensors, immobilization, biotransformation, bioremediation, therapeutics, etc.

Magnetic nanomaterials have emerged as a promising class of functional materials with diverse applications in nanobiotechnology, energy, biomedicine, and environmental remediation. These materials, often called magnetic nanoparticles, possess unique properties such as superparamagnetism, high magnetic saturation, ease of surface functionalization, a high surface area, and a large surface-to-volume ratio, making them highly versatile for various applications. Recent advances in their preparation and characterization have enabled control over their size, crystal structure, and surface properties, paving the way for their chemical and biotechnological implementation. Further, various modification methods have been developed to produce biocompatible magnetic nanoparticles that can be effectively used to immobilize proteins for widespread applications in biosensors, biocatalysts, remediation, and affinity-based separation processes.

Dr. Jung-Kul Lee
Dr. Sanjay Kumar Singh Patel
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.

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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 nanomaterials
  • chemicals
  • energy
  • sensors
  • immobilization
  • biotransformation
  • bioremediation
  • therapeutics
  • polymers
  • adsorbents

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Published Papers (1 paper)

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Research

10 pages, 1554 KiB  
Article
Antiferromagnetic Spin Wave Amplification by Scattering in the Presence of Non-Uniform Dzyaloshinskii–Moriya Interaction
by Taeheon Kim, Geun-Ju Kim, Jung-Il Kim and Kwang-Ho Jang
Materials 2024, 17(22), 5585; https://doi.org/10.3390/ma17225585 - 15 Nov 2024
Viewed by 381
Abstract
In this study, we suggest a method to amplify spin waves (SWs) in antiferromagnets (AFMs). By introducing a non-uniform Dzyaloshinskii–Moriya (DM) interaction, the potential barrier forms a resonant cavity. SWs with an opposite chirality undergo scattering and are resonantly amplified at a phase-matching [...] Read more.
In this study, we suggest a method to amplify spin waves (SWs) in antiferromagnets (AFMs). By introducing a non-uniform Dzyaloshinskii–Moriya (DM) interaction, the potential barrier forms a resonant cavity. SWs with an opposite chirality undergo scattering and are resonantly amplified at a phase-matching condition. The calculation is performed in the insulating AFMs where the electric-field-induced DM interaction and pseudo-dipole anisotropy broaden the parabolic-like SW band for multiple resonant modes. Using a transfer matrix method, we also show numerically that scattering between SWs contributes significantly to the SW amplification. Since the electric field selectively amplifies the SWs with resonant frequencies, the proposed device works as an SW transistor and rectifier. This finding will contribute to insulating AFM-based magnon devices where Joule heating is, in principle, avoided. Full article
(This article belongs to the Special Issue Magnetic Nanomaterials: Synthesis, Characterization and Applications)
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