Reversible adiabatic temperature changes at the magnetocaloric and barocaloric effects in Fe49Rh51

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Title:	Reversible adiabatic temperature changes at the magnetocaloric and barocaloric effects in Fe49Rh51
Author:	Stern Taulats, Enric; Gràcia Condal, Adrià; Planes Vila, Antoni; Lloveras, Pol; Barrio, María; Tamarit Josep Lluís; Pramanick, Sabyasachi; Majumdar, Subham; Mañosa, Lluís
Other authors:	Universitat de Barcelona
Abstract:	We report on the adiabatic temperature changes (DT) associated with the magnetocaloric and barocaloric effects in a Fe49Rh51 alloy. For the magnetocaloric effect, data derived from entropy curves are compared to direct thermometry measurements. The agreement between the two sets of data provides support to the estimation of DT for the barocaloric effect, which are indirectly determined from entropy curves. Large DT values are obtained at relatively low values of magnetic field (2 T) and hydrostatic pressure (2.5 kbar). It is also shown that both magnetocaloric and barocaloric effects exhibit good reproducibility upon magnetic field and hydrostatic pressure cycling, over a considerable temperature range.
Subject(s):	-Ciència dels materials -Aliatges -Propietats magnètiques -Propietats tèrmiques -Materials science -Alloys -Magnetic properties -Thermal properties
Rights:	(c) American Institute of Physics , 2015
Document type:	Article Article - Published version
Published by:	American Institute of Physics
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