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 Detalle_Publicacion

Giant magnetoimpedance in rapidly quenched materials

Abstract: We present an overview of the factors as well as post processing tools allowing optimization of magnetic softness and GMI effect of rapidly quenched materials: microwires and ribbons. Generally, low coercivity and high GMI effect have been observed in as-prepared Co-rich compositions. Annealing at adequate conditions can be very effective for manipulation of the magnetic properties and GMI effect of amorphous and nanocrystalline rapidly quenched materials. After annealing of Co-rich compositions, we can observe transformation of inclined hysteresis loops to rectangular. However, at certain annealing conditions GMI effect can be improved. Using stress-annealing, GMI effect of both Fe-rich and Co-rich microwires as well as of amorphous ribbons can be improved. On the other hand, in Fe-rich FeCuNbSiB microwires after appropriate annealing we observed considerable magnetic softening and GMI effect enhancement. The other promising post-processing allowing GMI effect optimization is Joule heating.

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 Autoría: Zhukov A., Ipatov M., Corte-León P., Legarreta L.G., Churyukanova M., Blanco J.M., Gonzalez J., Taskaev S., Hernando B., Zhukova V.,

 Fuente: Journal of Alloys and Compounds, 2020, 814, 152225

Editorial: Elsevier Ltd

 Fecha de publicación: 25/01/2020

Nº de páginas: 17

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.jallcom.2019.152225

ISSN: 0925-8388,1873-4669

Proyecto español: PGC2018-099530-B-C31

Url de la publicación: https://doi.org/10.1016/j.jallcom.2019.152225

Autores/as

ZHUKOV, ARCADY

IPATOV, MIHAIL

CORTE LEÓN, PAULA

CHURYUKANOVA, MARGARITA

BLANCO ARANGUREN, JUAN MARÍA

GONZÁLEZ ESTÉVEZ, JULIÁN MARÍA

TASKAEV, SERGEY

HERNANDO GRANDE, BLANCA

ZHUKOVA, VALENTINA