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On the broadening of the magnetic entropy change due to Curie temperature distribution
Pablo Álvarez-Alonso
JOSE LUIS SANCHEZ LLAMAZARES
CESAR FIDEL SANCHEZ VALDES
Victorino Franco
Pedro Gorria
Jesús Angel Blanco Rodríguez
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1063/1.4867346
"We have studied the correlation between the broadening of the isothermal magnetic entropy change and the Curie temperature (T-C) distribution in nanostructured Pr2Fe17 and Nd2Fe17 alloys produced by high-energy ball-milling after milling times of 10, 20, and 40 h. The changes in the microstructure affect the Fe local environments and as a consequence the magnetic interactions, giving rise to T-C distributions centered around 285K and 330K for the Pr2Fe17 and Nd2Fe17 alloys, respectively. The width of the distributions enlarges (up to 60K) as the milling-time increases, and consequently, the isothermal magnetic entropy change curves show an extended full width at half maximum."
American Institute of Physics
2014-05
Artículo
Inglés
Público en general
Pablo Alvarez-Alonso, et al., Journal of Applied Physics 115, 17A929 (2014); https://doi.org/10.1063/1.4867346
FÍSICA
Versión publicada
publishedVersion - Versión publicada
Aparece en las colecciones: Publicaciones Científicas Nanociencias y Materiales

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