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A universal curve for the magnetocaloric effect: an analysis based on scaling relations

Franco, V ; Conde, A ; Romero-Enrique, J M ; Blázquez, J S

Journal of physics. Condensed matter, 2008-07, Vol.20 (28), p.285207-285207(5) [Periódico revisado por pares]

Bristol: IOP Publishing

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Título:
A universal curve for the magnetocaloric effect: an analysis based on scaling relations
Autor: Franco, V ; Conde, A ; Romero-Enrique, J M ; Blázquez, J S
Assuntos: Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Exact sciences and technology ; Magnetic properties and materials ; Magnetically ordered materials: other intrinsic properties ; Magnetocaloric effect, magnetic cooling ; Physics
É parte de: Journal of physics. Condensed matter, 2008-07, Vol.20 (28), p.285207-285207(5)
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: The universal character of the recent experimentally found master curve for the magnetic entropy change, Sm, in studies of the magnetocaloric response of materials is analytically justified by using scaling arguments. The validity of the obtained scaling relations is checked against experimental data as well as the mean field and Heisenberg models. The curves are unique for each universality class. It is shown that the universal curve can be practically constructed in two different ways, reducing the number of required parameters with respect to the previous phenomenological derivation. This opens the possibility of an inexpensive screening of the performance of magnetocaloric materials, as it allows extrapolations to magnetic fields or temperatures not available in some laboratories.
Editor: Bristol: IOP Publishing
Idioma: Inglês

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A universal curve for the magnetocaloric effect: an analysis based on scaling relations

Franco, V ; Conde, A ; Romero-Enrique, J M ; Blázquez, J S

Bristol: IOP Publishing

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