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Optimization of the giant magnetoimpedance effect of Finemet-type microwires through the nanocrystallization

Abstract: We studied correlation of magnetic properties, giant magnetoimpedance (GMI) effect and structure of Finemet-type glass-coated microwires obtained by the Taylor-Ulitovski technique. We observed considerable magnetic softening and increasing of the GMI ratio, -Z/Z, (from 3% up to 100%) after annealing of studied microwires. On the other hand, even in as-prepared Fe 73.8Cu1Nb3.1Si13B9.1 microwire, we observed existence of ?-Fe nanocrystallites with average grain size about 12nm and considerable GMI effect (-Z/Z up to 50%).

 Fuente: Journal of Applied Physics, 2014, 115(17), 17A313

Editorial: American Institute of Physics

 Fecha de publicación: 01/05/2014

Nº de páginas: 3

Tipo de publicación: Artículo de Revista

 DOI: 10.1063/1.4863484

ISSN: 0021-8979,1089-7550,1520-8850

Url de la publicación: https://doi.org/10.1063/1.4863484

Autores/as

TALAAT, AHMED

ZHUKOVA, VALENTINA

IPATOV, MIHAIL

BLANCO ARANGUREN, JUAN MARÍA

HERNANDO GRANDE, BLANCA

VAL ALTUNA, JUAN JOSÉ DEL

GONZÁLEZ ESTÉVEZ, JULIÁN MARÍA

ZHUKOV EGOROVA, ARKADY PAVLOVICH