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Magnetocaloric effect in Mn-containing Hitperm-type alloys.

 

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Opened Access Magnetocaloric effect in Mn-containing Hitperm-type alloys.
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Author: Conde Amiano, Alejandro
Franco García, Victorino
Conde Amiano, Clara Francisca
Blázquez Gámez, Javier Sebastián
Millán, Mitchel D.
Department: Universidad de Sevilla. Departamento de Física de la Materia Condensada
Date: 2007
Published in: Journal of Applied Physics, 102 (013908)
Document type: Article
Abstract: The magnetocaloric effect of Fe60−xMnxCo18Nb6B16 x=0,2,4 is studied. Mn addition decreases the Curie temperature of the alloys but also reduces the peak entropy change and the refrigerant capacity of the material. The estimated adiabatic temperature change, for a maximum applied field of 15 kOe, is 1.3 K. Obtained values are comparable to those of some Nanoperm-type alloys. The magnetic entropy change, SM, of the studied samples follows a master curve, which is the same for all of them. The exponent controlling the field dependence of SM scales with reduced temperature in the same way as the master curve does.
Size: 668.5Kb
Format: PDF

URI: http://hdl.handle.net/11441/33335

DOI: http://dx.doi.org/10.1063/1.2751407

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