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Magnetocaloric effect and critical exponents of Fe77Co 5.5Ni5.5Zr7B4Cu1: A detailed study

Opened Access Magnetocaloric effect and critical exponents of Fe77Co 5.5Ni5.5Zr7B4Cu1: A detailed study

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Autor: Conde Amiano, Alejandro
Franco, V.
Caballero Flores, Rafael
Knipling, K E
Willard, Matthew A.
Departamento: Universidad de Sevilla. Departamento de Física de la Materia Condensada
Fecha: 2011-03-21
Publicado en: Journal of Applied Physics 109, 07A905
Tipo de documento: Artículo
Resumen: The critical exponents of the alloy have been determined with the Kouvel–Fisher method to predict the field dependence of the magnetic entropy change DSM . The nonlinear fit of DSM ðHÞ to a power law provides a field exponent in perfect agreement with the predictions of the relevant scaling laws using the obtained critical exponent values. It is shown that possible discrepancies between these two methods for determining the field dependence of DSM might arise due to a poor resolution in the temperature of the experiments.
Tamaño: 835.1Kb
Formato: PDF

URI: http://hdl.handle.net/11441/33120

DOI: http://dx.doi.org/10.1063/1.3535191

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