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Structures, Properties, and Applications of Nanostructured Magnetic Materials

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

Deadline for manuscript submissions: 20 July 2024 | Viewed by 315

Special Issue Editors

Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China
Interests: structures and magnetic properties of nanostructured permanent magnets; magnetic and electric transport properties in magnetic and ferroelectric multilayers; magnetic/dielectric nanomaterials
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Guest Editor
Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China
Interests: magnetic film; magnetron sputtering; magneto-optical kerr effect; spin orbit torque; magnetic domain
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,       

It is well known that permanent magnets have been applied in a variety of fields, and their structures and magnetic properties have been investigated for decades, especially in the search for novel compounds with excellent intrinsic magnetic properties as a matrix of permanent magnets. In recent years, the potential application of magnetic components in micro-electro-mechanical systems (MEMS), lab-on-chip devices, and spintronics has boosted enthusiasm for nanostructured magnetic materials and devices. The use of various preparation methods has resulted in the development of nanostructured magnetic materials with physical phenomena and mechanisms that differ greatly from their related bulk materials, such as exchange coupling between hard and soft phases, coercivity mechanisms, magnetic domain evolution processes, and electrically driven phenomena in devices, to name but a few. To further enhance the magnetic properties and establish clear physical mechanisms in nanostructured magnetic materials, considerable efforts and research are still required. 

The aim of the present Special Issue is to encourage scientists from different fields to report their newest findings in the form of original papers, review articles, or short communications. 

We look forward to receiving your submissions. 

Prof. Dr. Wei Liu
Dr. Xiaotian Zhao
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

  • nanostructured permanent magnets
  • magnetic multilayers
  • magnetic interaction
  • magnetoelectric transport properties
  • magnetization switching mechanism
  • magneto–optical interaction

Published Papers (1 paper)

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Research

10 pages, 2682 KiB  
Article
The Success of Fabrication of Pure SmFe2 Phase Film with Outstanding Perpendicular Magnetic Anisotropy
by Shijie Liao, Fang Wang, Hui Shen and Jian Zhang
Materials 2024, 17(9), 2027; https://doi.org/10.3390/ma17092027 - 26 Apr 2024
Viewed by 169
Abstract
This study used DC magnetron sputtering technology to fabricate Sm-Fe films and systematically investigated the phase transition behavior of Sm-Fe films with different Fe ratios. It was found that at higher Fe content, the films consisted of Sm2Fe17 or SmFe [...] Read more.
This study used DC magnetron sputtering technology to fabricate Sm-Fe films and systematically investigated the phase transition behavior of Sm-Fe films with different Fe ratios. It was found that at higher Fe content, the films consisted of Sm2Fe17 or SmFe7 phases; as Fe content decreased, the films were mainly composed of SmFe3 or SmFe2 phases; at higher Sm content, the films primarily consisted of Sm phase. Sm is prone to volatilization at high temperatures, so Ta was used as a capping layer to effectively suppress Sm volatilization, successfully synthesizing pure SmFe2 phase films at a nearly 1:2 ratio. The magnetic properties and magnetostrictive behavior of the SmFe2 films were investigated, revealing that pure-phase SmFe2 films exhibit good perpendicular magnetic anisotropy and magnetostriction properties. The larger stress along the perpendicular-to-film direction, resulting from the absence of substrate-induced constraints, contributes to the excellent perpendicular magnetic anisotropy of the films. This study successfully synthesized pure-phase SmFe2 films and discovered a new method for fabricating perpendicularly anisotropic films. The research findings are of great significance for the efficient synthesis of desired films with high phase formation temperatures containing volatile elements. Full article
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