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Magnetic entropy change and refrigerant capacity of rapidly solidified TbNi2 alloy ribbons | |
JOSE LUIS SANCHEZ LLAMAZARES CESAR FIDEL SANCHEZ VALDES PABLO JESUS IBARRA GAYTAN Pablo Álvarez-Alonso Pedro Gorria Jesús Angel Blanco Rodríguez | |
Acceso Abierto | |
Atribución-NoComercial-SinDerivadas | |
https://doi.org/10.1063/1.4794988 | |
"The magnetocaloric effect in TbNi2 alloy ribbons synthesized by rapid solidification was investigated. This material crystallizes in a superstructure of the cubic Laves phase structure type C15 (space group F-43m). The saturation magnetization and Curie temperature are M-S = 134 +/- 2A m(2) kg(-1) and T-C = 37 +/- 1K, respectively. For a magnetic field change of 5 T, the material shows a maximum magnetic entropy change vertical bar Delta S-M(peak)vertical bar = 13.9 J kg(-1) K-1, with a full-width at half-maximum delta T-FWHM = 32 K, and a refrigerant capacity RC = 441 J kg(-1). The RC value is similar to those reported for other magnetic refrigerants operating within the temperature range of 10-80 K. Finally, it is worth noting that the use of rapid solidification circumvents the necessity for longterm high-temperature homogenization processes normally needed with these RNi2 alloys." | |
American Institute of Physics | |
2013-05 | |
Artículo | |
Inglés | |
Público en general | |
J. L. Sánchez Llamazares et al., Journal of Applied Physics 113, 17A912 (2013); https://doi.org/10.1063/1.4794988 | |
FÍSICA | |
Versión publicada | |
publishedVersion - Versión publicada | |
Aparece en las colecciones: | Publicaciones Científicas Nanociencias y Materiales |
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