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ARTÍCULO

Coercivity and magnetic anisotropy of (Fe0.76Si0.09B0.10P0.05)(97.5)Nb2.0Cu0.5 amorphous and nanocrystalline alloy produced by gGas atomization process

Autores: Alvarez, K. L.; Martín García, José Manuel; Burgos García, Nerea; Ipatov, M. ; Dominguez, L. ; Gonzalez, J. (Autor de correspondencia)
Título de la revista: NANOMATERIALS
ISSN: 2079-4991
Volumen: 10
Número: 5
Fecha de publicación: 2020
Resumen:
We present the evolution of magnetic anisotropy obtained from the magnetization curve of (Fe0.76Si0.09B0.10P0.05)(97.5)Nb2.0Cu0.5 amorphous and nanocrystalline alloy produced by a gas atomization process. The material obtained by this process is a powder exhibiting amorphous character in the as-atomized state. Heat treatment at 480 degrees C provokes structural relaxation, while annealing the powder at 530 degrees C for 30 and 60 min develops a fine nanocrystalline structure. Magnetic anisotropy distribution is explained by considering dipolar effects and the modified random anisotropy model.
DOI: https://doi.org/10.3390/nano10050884
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