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Artículo
The magnetocaloric effect in soft magnetic amorphous alloys
Autor/es | Franco García, Victorino
Blázquez Gámez, Javier Sebastián Millán, M Borrego Moro, Josefa María Conde Amiano, Clara Francisca Conde Amiano, Alejandro |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2007 |
Fecha de depósito | 2015-11-17 |
Publicado en |
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Resumen | The influence of different compositional modifications on the magnetic entropy change and
refrigerant capacity of Finemet, Nanoperm, HiTperm, and bulk amorphous alloys is presented. For
all the studied alloys, the field ... The influence of different compositional modifications on the magnetic entropy change and refrigerant capacity of Finemet, Nanoperm, HiTperm, and bulk amorphous alloys is presented. For all the studied alloys, the field dependence of the magnetic entropy change exhibits a quadratic dependence in the paramagnetic regime, a linear dependence in the ferromagnetic temperature range, and a potential law with a field exponent 0.75 at the Curie temperature. This exponent can be explained using the critical exponents of the Curie transition. It is shown that for alloys of similar compositional series, the magnetic entropy change follows a master curve behavior |
Agencias financiadoras | Gobierno de España Junta de Andalucía |
Ficheros | Tamaño | Formato | Ver | Descripción |
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1.2709409-borr.pdf | 209.6Kb | [PDF] | Ver/ | |