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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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