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High-magnetic field characterization of magnetocaloric effect in FeZrB(Cu) amorphous ribbons
Pablo Álvarez-Alonso
JOSE LUIS SANCHEZ LLAMAZARES
CESAR FIDEL SANCHEZ VALDES
Pedro Gorria
Jesús Angel Blanco Rodríguez
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1063/1.4907188
"The magnetic and magnetocaloric properties of a series of Fe-rich FeZrB(Cu) amorphous ribbons were investigated under magnetic field values up to mu H-0 of 8 T. A correlation between the saturation magnetization and the maximum magnetic entropy change vertical bar Delta S-M(peak)vertical bar is clearly evidenced. Although these metallic glasses show relatively low vertical bar Delta S-M(peak)vertical bar values (from 3.6 to 4.4 J kg(-1) K-1 for mu(0)Delta H - 8 T), the Delta S-M(T) curve broadens upon the increase in mu(0)Delta H, giving rise to a large refrigerant capacity RC (above 900 J kg(-1) for mu(0)Delta H-8 T). Using the universal curve method for rescaling the Delta S-M(T, mu(0)Delta H) curves, we found a collapse of the curves around the Curie temperature. However, in the low-temperature range the curves do not match into a single one due to the existence of magnetic frustration."
American Institute of Physics
2015-05
Artículo
Inglés
Público en general
P. Alvarez-Alonso, et al., Journal of Applied Physics 117, 17A710 (2015); https://doi.org/10.1063/1.4907188
FÍSICA
Versión publicada
publishedVersion - Versión publicada
Aparece en las colecciones: Publicaciones Científicas Nanociencias y Materiales

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