Magnetism and Magnetic Properties of Amorphous Alloys

A special issue of Magnetism (ISSN 2673-8724).

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 2832

Special Issue Editors

Energy Systems Laboratory, General Department, National & Kapodistrian University of Athens, Euripus Campus, 34400 Evia, Greece
Interests: measurement systems and technology; modeling and optimization; RES microgrids; magnetism and magnetic materials; non destructive testing
Special Issues, Collections and Topics in MDPI journals
1. Faculty of Science and Technology, University of the Basque Country UPV/EHU, P. Box 644, 48080 Bilbao, Spain
2. BCMaterials (Basque Center for Materials, Applications and Nanostructures), UPV/EHU Scientific Park, Bldg. Martina Casiano, 3rd Floor, Barrio Sarriena s/n, 48940 Leioa, Spain
Interests: magnetoelasticity and magnetostriction (materials and applications in sensors); magnetic nano-composites (fluids and elastomers)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue on magnetism and magnetic properties of ferromagnetic amorphous alloys focuses onthe characterization, modeling and applications of amorphous alloys. Amorphous (and nanocrystalline) alloys have substantially advanced magnetic, magnetostrictive and magnetotransport properties. The Special Issue addresses original studies related to materials, simulations, characterization and technological applications, namely:

  • Magnetic materials, with an emphasis on magnetostrictive, magnetoelectric and ultrasoft magnetic transition alloys, especially medium- to high-entropy amorphous alloys;
  • Characterization of these amorphous alloys: magnetic characterization, namely magnetic, magnetostrictive, magneto-transport, magnetoelectric, magnetocaloric and other magnetic properties;
  • Structural characterization of these amorphous alloys, using scanning and transmission electron microscopy, X-ray diffraction, XPS, and AFM-MFM-STM surface characterization;
  • Correlation of magnetic and structural properties, based on micro-magnetics modeling, finite elements analysis, density function theory-based magnetic modeling, and other simulation techniques;
  • Technological applications in the field of (energy, industrial, security, biological, etc.) sensors, actuators, energy harvesting systems, automated systems and other technological applications.

Papers submitted for publication are subject of peer review process. The Special Issue aims at being a milestone in the technological applications of magnetism.

Prof. Dr. Evangelos Hristoforou
Prof. Dr. Aphrodite Ktena
Prof. Dr. Jon Gutiérrez Etxebarria
Guest Editors

Manuscript Submission Information

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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. Magnetism is an international peer-reviewed open access quarterly 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 1000 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

  • magnetostriction
  • magnetic induction
  • magnetotransport properties
  • magnetocaloric effect
  • magnetoelectric effect
  • density function theory
  • micromagnetic simulation
  • sensors
  • actuators
  • wind generators

Published Papers (1 paper)

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Research

11 pages, 5961 KiB  
Article
Simulations of Temperature-Dependent Magnetization in FexGd100−x (20 ≤ x ≤ 80) Alloys
by Oleksandr Pastukh, Dominika Kuźma and Svitlana Pastukh
Magnetism 2023, 3(1), 34-44; https://doi.org/10.3390/magnetism3010004 - 23 Jan 2023
Cited by 2 | Viewed by 2156
Abstract
Theoretical calculations of the temperature-dependent magnetization in FeGd alloys were done with the use of Heisenberg-type atomistic spin Hamiltonian and Monte Carlo algorithms. The random allocation of atoms in the desired crystal structure was used for simulations of magnetically amorphous alloys. Performed calculations [...] Read more.
Theoretical calculations of the temperature-dependent magnetization in FeGd alloys were done with the use of Heisenberg-type atomistic spin Hamiltonian and Monte Carlo algorithms. The random allocation of atoms in the desired crystal structure was used for simulations of magnetically amorphous alloys. Performed calculations for the two different crystal structures have shown an important role of coordination number on the observed critical temperature and compensation point. Moreover, the value of the exchange interaction between Fe and Gd sublattices plays a key role in the simulations—an increase in the Fe–Gd exchange constant provides an increase in critical temperature for each concentration of elements, which explains the higher temperature stabilization of Gd moments. It was shown that obtained temperature-dependent magnetization behavior is consistent with experimental observations, which confirms the applicability of the atomic model used to study FeGd or other magnetic alloy structures. Full article
(This article belongs to the Special Issue Magnetism and Magnetic Properties of Amorphous Alloys)
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