Advances in Magnetic Soft Materials: Synthesis, Characterization and Applications

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

Deadline for manuscript submissions: closed (10 July 2023) | Viewed by 2267

Special Issue Editors


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Guest Editor
School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China
Interests: magnetic fluid; magnetism; multiphysics modeling; signal analysis and processing
School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China
Interests: MEMS magnetic sensors; biomagnetic field detections; magnetic impedance

Special Issue Information

Dear Colleagues,

Soft magnetic materials have been used widely for almost one century. These materials can be farbricated into various high-performance devices owing to their low coercivity and high saturation magnetization and permeability. Recently, novel soft magnetic materials have been used to develop innovative devices with low loss and small size using cutting-edge micro-nano technology. This Special Issue focuses on recent developments in magnetic soft materials, focusing micro- and nano-structure aspects, including their synthesis, characterization, and applications.

Contributions focusing on the topic from different perspectives are welcome. The aim of this Special Issue is to share the most recent novel findings on the growth and development of soft magnetic materials for micro-nano-systems and innovative devices, including areas of magnetic micro/nano-particles, ferrofluids, magnetic-resonance imaging, magnetic filtering, magnetic sensors, magnetic actuators, biomedical applications, etc.

Prof. Dr. Zhizheng Wu
Dr. Tao Wang
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. Magnetochemistry is an international peer-reviewed open access monthly 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 2700 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 micro/nano-particles
  • magnetic fluids
  • magnetorheology
  • magnetic hyperthermia
  • magneto-optic
  • magnetic sensors
  • magnetic actuators

Published Papers (1 paper)

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Research

18 pages, 3332 KiB  
Article
Substituted Poly(Vinylphosphonate) Coatings of Magnetite Nanoparticles and Clusters
by Alexander Bunge, Cristian Leoștean, Teodora Radu, Septimiu Cassian Tripon, Gheorghe Borodi and Rodica Turcu
Magnetochemistry 2022, 8(8), 79; https://doi.org/10.3390/magnetochemistry8080079 - 27 Jul 2022
Cited by 3 | Viewed by 1573
Abstract
Magnetite nanoparticles and clusters of nanoparticles have been of Increasing scientific interest in the past decades. In order to prepare nanoparticles and clusters that are stable in suspension, different coatings have been used. Phosphates and phosphonates are a preferred anchoring group for the [...] Read more.
Magnetite nanoparticles and clusters of nanoparticles have been of Increasing scientific interest in the past decades. In order to prepare nanoparticles and clusters that are stable in suspension, different coatings have been used. Phosphates and phosphonates are a preferred anchoring group for the coating of magnetite nanomaterials. However, poly(vinylphosphonates) have rarely been used as a coating agent for any nanoparticles. Here, poly(methylvinylphosphonate) and other substituted polyvinylphosphonates are described as new coatings for magnetite nanoparticles and clusters. They show great stability in aqueous suspension. This is also the first time phosphonate-coated magnetite clusters have been synthesized in a one-pot polyol reaction. The coated magnetite nanoparticles and clusters have been characterized by TEM, EDX, FTIR, magnetization measurement, XRD as well as XPS. It has been shown that substituted vinylphosphonates can be easily synthesized in one-step procedures and as a polymeric coating can imbue important properties such as stability in suspension, tight binding to the particle surface, the ability to be further functionalized or to tightly adsorb metal ions. For the synthesis of magnetite clusters the cluster formation, polymerization and coating are done in a one-pot reaction and the resulting magnetite clusters show a higher amount of phosphonate coating than with a three-step procedure including a ligand exchange. Full article
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