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Crystals 2017, 7(2), 41; doi:10.3390/cryst7020041

Correlation of Crystalline Structure with Magnetic and Transport Properties of Glass-Coated Microwires

1
Departamento de Física de Materiales, Facultad de Químicas, Universidad del País Vasco/Euskal Herriko Unibersitatea, 20018 San Sebastian, Spain
2
IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
3
Departamento de Física Aplicada, Escuela Universitaria Politécnica de Donostia-San Sebastián, Universidad del País Vasco/Euskal Herriko Universitatea, 20018 San Sebastian, Spain
4
Departamento de Física, Universidad de Oviedo, Calle San Francisco, 1, 33003 Oviedo, Asturias, Spain
5
Departamento de Física, Universidad de Girona, 17004 Girona, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Helmut Cölfen
Received: 20 October 2016 / Revised: 27 January 2017 / Accepted: 28 January 2017 / Published: 8 February 2017
(This article belongs to the Special Issue Advance in Crystalline Thin Wires)

Abstract

We overviewed the correlation between the structure, magnetic and transport properties of magnetic microwires prepared by the Taylor-Ulitovsky method involving rapid quenching from the melt and drawing of the composite (metallic core, glass coated) wire. We showed that this method can be useful for the preparation of different families of magnetic microwires: soft magnetic microwires displaying Giant magnetoimpedance (GMI) effect, semi-hard magnetic microwires, microwires with granular structure exhibiting Giant Magnetoresistance (GMR) effect and Heusler-type microwires. Magnetic and transport properties of magnetic microwires depend on the chemical composition of metallic nucleus and on the structural features (grain size, precipitating phases) of prepared microwires. In all families of crystalline microwires, their structure, magnetic and transport properties are affected by internal stresses induced by the glass coating, depending on the quenching rate. Therefore, properties of glass-coated microwires are considerably different from conventional bulk crystalline alloys. View Full-Text
Keywords: magnetic microwires; nanocrystalline materials; giant magneto-impedance effect; giant magnetoresistance effect; Taylor–Ulitvosky technique; magnetostriction; annealing; Heusler alloys magnetic microwires; nanocrystalline materials; giant magneto-impedance effect; giant magnetoresistance effect; Taylor–Ulitvosky technique; magnetostriction; annealing; Heusler alloys
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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. (CC BY 4.0).

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MDPI and ACS Style

Zhukov, A.; Ipatov, M.; Talaat, A.; Blanco, J.M.; Hernando, B.; Gonzalez-Legarreta, L.; Suñol, J.J.; Zhukova, V. Correlation of Crystalline Structure with Magnetic and Transport Properties of Glass-Coated Microwires. Crystals 2017, 7, 41.

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