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Journal article

High performance magnetocaloric perovskites for magnetic refrigeration

By Bahl, Christian R. H.1,2; Velazquez, David3; Nielsen, Kaspar K.1,2; Engelbrecht, Kurt1,2; Andersen, Kjeld B.1,4; Bulatova, Regina1,4; Pryds, Nini1,2

From

Department of Energy Conversion and Storage, Technical University of Denmark1

Electrofunctional materials, Department of Energy Conversion and Storage, Technical University of Denmark2

University of Zaragoza3

Ceramic Engineering & Science, Department of Energy Conversion and Storage, Technical University of Denmark4

We have applied mixed valance manganite perovskites as magnetocaloric materials in a magnetic refrigeration device. Relying on exact control of the composition and a technique to process the materials into single adjoined pieces, we have observed temperature spans above 9 K with two materials. Reasonable correspondence is found between experiments and a 2D numerical model, using the measured magnetocaloric properties of the two materials as input.

Language: English
Publisher: American Institute of Physics
Year: 2012
ISSN: 10773118 and 00036951
Types: Journal article
DOI: 10.1063/1.3695338
ORCIDs: Bahl, Christian R. H. , Nielsen, Kaspar K. , Engelbrecht, Kurt and Pryds, Nini

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