Special Issue "Magnetic Properties of Carbon Nanomaterials"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Carbon Materials".

Deadline for manuscript submissions: closed (31 March 2020).

Special Issue Editor

Prof. Dr. Stefano Bellucci
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Guest Editor

Special Issue Information

Dear colleagues,

Nowadays, the magnetic properties of carbon-based nanomaterials are receiving a lot of attention. Magnetic nanoparticles generally exhibit properties that can be affected by a magnetic field. They typically contain magnetic elements, e.g. iron, nickel, or cobalt, and thus behave quite differently from bulk materials under the influence of a magnetic field. This can be traced back, in most cases, to surface or interface effects. This Special Issue of Materials, entitled “Magnetic Properties of Carbon Nanomaterials”, is devoted a broad range of research activities, findings, and recent progresses on the magnetic properties of carbon nanomaterials. An emphasis will be placed on multifunctional and emerging applications of such materials. Through this Special Issue, we encourage and invite researchers to contribute original research as well as review articles pertaining to this field of study.

Potential topics include, but are not limited to, the following:

  • The synthesis/fabrication of magnetic carbon-based nanomaterials;
  • Nanocomposite magnetic carbon-based nanomaterials;
  • Physical and chemical properties of magnetic carbon-based nanomaterials;
  • The functionalization of magnetic carbon-based nanomaterials;
  • The interaction between electron charges and magnetic spins;
  • Magnetic dichroism in carbon-based nanomaterials;
  • Magnetic studies in carbon nanomaterials;
  • Magnetostrictive and magnetorestrictive carbon-based nanomaterials;
  • Emerging applications of magnetic carbon-based nanomaterials.

Prof. Stefano Bellucci
Guest Editor

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 papers will be 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 2000 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 carbon-based nanomaterials
  • synthesis/fabrication
  • nanocomposite magnets
  • magnetic dichroism
  • physicochemical properties
  • functionalization
  • magnetic studies
  • emerging applications

Published Papers (2 papers)

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Research

Open AccessArticle
X-ray Absorption and Magnetic Circular Dichroism in CVD Grown Carbon Nanotubes
Materials 2019, 12(7), 1073; https://doi.org/10.3390/ma12071073 - 01 Apr 2019
Abstract
Nowadays, a deep knowledge of procedures of synthesis of nanostructured materials plays an important role in achieving nano-materials with accurate and wanted properties and performances. Carbon-based nanostructured materials continue to attract a huge amount of research efforts, because of their wide-ranging properties. Using [...] Read more.
Nowadays, a deep knowledge of procedures of synthesis of nanostructured materials plays an important role in achieving nano-materials with accurate and wanted properties and performances. Carbon-based nanostructured materials continue to attract a huge amount of research efforts, because of their wide-ranging properties. Using X-ray absorption (XAS) and X-ray magnetic circular dichroism (XMCD) spectroscopy in the soft X-ray regime, by the synchrotron radiation, we studied the L3,2 absorption edges of iron (Fe) nanoparticles, when they are embedded in oriented Multi Wall Carbon Nanotube (MWCNTs) layers grown by thermal Chemical Vapor Deposition (CVD) technique catalyzed by this transition metal. This could allow us to understand the valence state and role of catalysts and thus their electronic and magnetic structures. It is important to note that the control of the size of these tethered nanoparticles is of primary importance for the purpose of tailoring the physical and chemical properties of these hierarchical materials. The MWCNTs samples used in XAS and XMCD measurements were synthesized by the CVD technique. The actual measurements were carried out by the group NEXT of the INFN- LNF with the logistic experimental support of the INFM-CNR and the Synchrotron Elettra Trieste. Full article
(This article belongs to the Special Issue Magnetic Properties of Carbon Nanomaterials)
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Open AccessArticle
Synthesis and Characterization of Flower-like Carbon-encapsulated Fe-C Nanoparticles for Application as Adsorbing Material
Materials 2019, 12(5), 829; https://doi.org/10.3390/ma12050829 - 12 Mar 2019
Abstract
Carbon-encapsulated Fe-C ([email protected]) nanoparticles with a divergently flower-like morphology were successfully synthesized for application as an adsorbing material by using freeze-drying and chemical vapor deposition (CVD) methods. The Fe metallic source was first loaded onto a sodium chloride (NaCl) supporter via freeze-drying to [...] Read more.
Carbon-encapsulated Fe-C ([email protected]) nanoparticles with a divergently flower-like morphology were successfully synthesized for application as an adsorbing material by using freeze-drying and chemical vapor deposition (CVD) methods. The Fe metallic source was first loaded onto a sodium chloride (NaCl) supporter via freeze-drying to obtain the Fe/NaCl composite powder. Then, [email protected] nanoparticles were synthesized in the temperature range of 300–450 °C via CVD of acetylene in the Fe/NaCl composite powder using Fe nanoparticles as catalysts and NaCl as supporters. Because the NaCl supporter is water-soluble, the synthesized [email protected] nanoparticles were easy to purify, and a high purity was obtained by simple washing and centrifugation. The optimal [email protected] nanoparticles, synthesized at 400 °C, possessed a unique divergently flower-like structure and a high specific surface area of 169.4 m2/g that can provide more adsorption sites for contaminants. Adsorption experiments showed that the flower-like [email protected] adsorbent exhibited high adsorption capacity (90.14 mg/g) and fast removal of methylene blue (MB). Moreover, the magnetic properties of the nanoparticles, with saturation magnetization of 36.544 emu/g, facilitated their magnetic separation from wastewater. Therefore, the novel flower-like [email protected] nanoparticles with integrated adsorptive and magnetic properties have the potential to be an effective adsorbent in dye wastewater treatment. Full article
(This article belongs to the Special Issue Magnetic Properties of Carbon Nanomaterials)
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