| Issue |
EPJ Web Conf.
Volume 185, 2018
Moscow International Symposium on Magnetism (MISM 2017)
|
|
|---|---|---|
| Article Number | 04022 | |
| Number of page(s) | 4 | |
| Section | Magnetic Materials | |
| DOI | https://doi.org/10.1051/epjconf/201818504022 | |
| Published online | 04 July 2018 | |
https://doi.org/10.1051/epjconf/201818504022
Structural and magnetic anisotropy of directionally-crystallized ferromagnetic microwires
1
NUST “MISIS”, 119049 Moscow, Russia
2
Scientific Practical Materials Research Centre, NAS of Belarus, 220072 Minsk, Belarus
3
Institute for Design Problems in Microelectronics RAS, Moscow 124681, Russia
4
MFTI Ltd, MD2021 Kishinev, R. Moldova
*
Corresponding author: dratm@mail.ru
Published online: 4 July 2018
Amorphous ferromagnetic microwires have drawn attention primarily due to their excellent soft magnetic properties as the elements of sensors. In this work, semi-hard magnetic microwires of composition Fe4.3Co67.7Si11B14Cr3 were obtained after a process of directional crystallization from amorphous state. The XRD analysis of crushed and whole wires identified the formation of the face-centered Co-modification as the main phase of directionally crystallized core alloy, which explains a large increase in anisotropy and coercivity. The application of a magnetic field during crystallization may orient the easy anisotropy axis of crystallites along the wire. This is confirmed by the investigation of crystallite orientation with respect to the wire axis and X-rays direction in diffractometer. The obtained results revealed that the formation of crystallites in amorphous Co-rich microwires occurs with the predominant orientation of the crystallographic direction [111] along the wire axis and the direction of a magnetic field during the directional crystallization process.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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