Effect of nanocrystallization on Giant magnetoimpedance effect of microwires

Author

Talaat, Ahmed ; Zhukova, Valentina ; Ipatov, Mihail ; Gonzalez-Legarreta, Lorena ; Hernando, Blanca ; Zhukov, Arcady

Author_Institution

Dipt. Fis. de Mater., Basque Country Univ. UPV/EHU, San Sebastian, Spain

fYear

2013

fDate

3-5 Dec. 2013

Firstpage

922

Lastpage

926

Abstract

We studied GMI effect and magnetic properties of Finemet-type FeCuNbSiB microwires. We observed that GMI magnetic field and frequency dependences and magnetic softness of composite microwires produced by the Taylor-Ulitovski technique can be tailored either controlling magnetoelastic anisotropy of as-prepared FeCuNbSiB microwires or controlling their structure by heat treatment or changing the fabrication conditions. High GMI effect has been observed in as-prepared Fe-rich and heat treated microwires with nanocrystalline structure.

Keywords

boron alloys; copper alloys; crystallisation; ferromagnetic materials; giant magnetoresistance; heat treatment; iron alloys; magnetic anisotropy; magnetoelastic effects; micromagnetics; nanostructured materials; niobium alloys; silicon alloys; soft magnetic materials; FeCuNbSiB; Finemet-type microwires; GMI magnetic field; Taylor-Ulitovski technique; composite microwires; frequency dependences; giant magnetoimpedance effect; heat treatment; magnetic softness; magnetoelastic anisotropy; nanocrystallization; Amorphous magnetic materials; Magnetic hysteresis; Magnetostriction; Perpendicular magnetic anisotropy; Soft magnetic materials; GMI effect; magnetic microwires; magnetic softness; magnetoelasytic anisotropy; nanocrystallization;

fLanguage

English

Publisher

ieee

Conference_Titel

Sensing Technology (ICST), 2013 Seventh International Conference on

Conference_Location

Wellington

ISSN

2156-8065

Print_ISBN

978-1-4673-5220-8

Type

conf

DOI

10.1109/ICSensT.2013.6727784

Filename

6727784