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Annealing influence on the exchange-bias and magnetostructural properties in the ni50.0mn36.5sn13.5 ribbon-shape alloy

Abstract: We report on the influence of short annealing treatments at 923 K and 1073 K during 10min on both martensitic transformation and exchange bias effect for the Ni50.0Mn36.5Sn13.5 Heusler alloy ribbon by means of magnetic measurements. We have observed that the martensitic transformation is shifted towards higher temperatures with increasing annealing temperature. Furthermore, isothermal M(H) hysteresis loops performed under field-cooling protocol show an exchange bias effect for as-quenched and two annealed ribbons, which indicates the existence of ferromagnetic-antiferromagnetic interactions at low temperatures. In particular, we observe that HC diminishes with the increasing of the annealing temperature, but HE is not affected by the heat treatment.

Otras comunicaciones del congreso o articulos relacionados con autores/as de la Universidad de Cantabria

 Congreso: Moscow International Symposium on Magnetism: MISM (6º : 2014 : Moscú)

Editorial: Trans Tech Publications

 Fecha de publicación: 01/07/2015

Nº de páginas: 4

Tipo de publicación: Comunicación a Congreso

 DOI: 10.4028/www.scientific.net/SSP.233-234.179

ISSN: 1012-0394,1662-9779

Url de la publicación: https://doi.org/10.4028/www.scientific.net/SSP.233-234.179

Autores/as

IPATOV, MIHAIL

KAMANTSEV, ALEXANDER P.

KOLEDOV, VICTOR V.

SHAVROV, VLADIMIR G.

HERNANDO GRANDE, BLANCA