Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Magnetostriction of Amorphous Magnetic Microwires: Role of Local Atomic Environment and Internal Stresses Relaxation

Valentina Zhukova
ORCID logo ,
Alfonso García-Gómez
ORCID logo ,
Alvaro Gonzalez
ORCID logo ,
Margarita Churyukanova
,
Sergey D. Kaloshkin
,
Paula Corte-Leon
,
Mihail Ipatov
ORCID logo ,
Jesus Olivera
,
Arcady Zhukov
* ORCID logo
Version 1 : Received: 13 September 2023 / Approved: 13 September 2023 / Online: 14 September 2023 (02:46:18 CEST)

A peer-reviewed article of this Preprint also exists.

Zhukova, V.; García-Gómez, A.; Gonzalez, A.; Churyukanova, M.; Kaloshkin, S.; Corte-Leon, P.; Ipatov, M.; Olivera, J.; Zhukov, A. The Magnetostriction of Amorphous Magnetic Microwires: The Role of the Local Atomic Environment and Internal Stresses Relaxation. Magnetochemistry 2023, 9, 222. Zhukova, V.; García-Gómez, A.; Gonzalez, A.; Churyukanova, M.; Kaloshkin, S.; Corte-Leon, P.; Ipatov, M.; Olivera, J.; Zhukov, A. The Magnetostriction of Amorphous Magnetic Microwires: The Role of the Local Atomic Environment and Internal Stresses Relaxation. Magnetochemistry 2023, 9, 222.

Abstract

We studied the magnetostriction coefficients, λs, Curie temperature, Tc, and their dependence on annealing conditions in Fe47Ni27Si11B13C2 and Co67Fe3,9Ni1,5B11,5Si14,5Mo1,6 amorphous glass-coated microwires with rather different character of hysteresis loops. A positive λs≈20x10-6is observed in as-prepared Fe47Ni27Si11B13C2, while low and negative λs ≈-0.3x10-6 is ob-tained for Co67Fe3,9Ni1,5B11,5Si14,5Mo1,6 microwire. Annealing affects the magnetostriction coeffi-cients and Curie temperatures, Tc, of both Fe47Ni27Si11B13C2 and Co67Fe3,9Ni1,5B11,5Si14,5Mo1,6 glass-coated microwires in a similar way. Observed dependencies of hysteresis loops, λs and Tc on annealing conditions are discussed in terms of superposition of internal stresses relaxation and structural relaxation of studied microwires. We observed linear λs dependence on applied stress, σ, in both studied microwires. A decrease with applied stress is observed for Co-rich mi-crowires with negative magnetostriction coefficient. In contrast, a linear increase of the magne-tostriction coefficient with applied stress is observed for Fe-Ni- rich microwires with positive magnetostriction coefficient. Observed results are discussed in terms of influence of internal stresses and short range atomic rearrangements induced by annealing on hysteresis loops, magnetostriction coefficients and Curie temperatures of studied microwires.

Keywords

Amorphous magnetic materials; Coercive force; Magnetic hysteresis; Magnetostriction

Subject

Chemistry and Materials Science, Materials Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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