Artículo
Magnetocaloric response of FeCrB amorphous alloys: Predicting the magnetic entropy change from the Arrott–Noakes equation of state.
Autor/es | Conde Amiano, Alejandro
Kiss, László Ferenc Franco García, Victorino |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2008 |
Fecha de depósito | 2016-01-26 |
Publicado en |
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Resumen | The magnetic entropy change in Fe92−xCr8Bx x=12,15 amorphous alloys has been studied.
Increasing the B content, both the peak entropy change and the Curie temperature of the alloy
increase. This is in agreement with ... The magnetic entropy change in Fe92−xCr8Bx x=12,15 amorphous alloys has been studied. Increasing the B content, both the peak entropy change and the Curie temperature of the alloy increase. This is in agreement with an increase in the average magnetic moment per iron atom. The thermal and field dependences of the magnetic entropy change curves have been analyzed with the use of the Arrott–Noakes equation of state. It is shown that determining the parameters in this equation of state through fitting the magnetization data allows prediction of the field and temperature dependences of the magnetic entropy change curves in a broad temperature range around the Curie temperature. |
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