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Enhanced refrigerant capacity and magnetic entropy flattening using a two-amorphous FeZrB(Cu) composite
Pablo Álvarez-Alonso
JOSE LUIS SANCHEZ LLAMAZARES
Pedro Gorria
Jesús Angel Blanco Rodríguez
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1063/1.3665941
"The temperature dependence of the isothermal magnetic entropy change, Delta S-M, and the magnetic field dependence of the refrigerant capacity, RC, have been investigated in a composite system xA + (1 - x) B, based on Fe87Zr6B6Cu1 (A) and Fe90Zr8B2 (B) amorphous ribbons. Under a magnetic field change of 2 T, the maximum improvement of the full-width at half maximum of Delta S-M(T) curve (47% and 29%) and the RC (18% and 23%), in comparison with those of the individual alloys (A and B), is observed for x approximate to 0.5. Moreover, a flattening over 80K in the Delta S-M(T) curve around room temperature range is observed, which is a key feature for an Ericsson magnetic refrigeration cycle."
American Institute of Physics
2011-12
Artículo
Inglés
Público en general
Pablo Álvarez, et al., Applied Physics Letters 99, 232501 (2011); https://doi.org/10.1063/1.3665941 © 2011 American Institute of Physics.
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Aparece en las colecciones: Publicaciones Científicas Nanociencias y Materiales

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