High performance magnetocaloric perovskites for magnetic refrigeration

被引：88
|
作者：
Bahl, Christian R. H. [1 ]
Velazquez, David [2 ]
Nielsen, Kaspar K. [1 ]
Engelbrecht, Kurt [1 ]
Andersen, Kjeld B. [1 ]
Bulatova, Regina [1 ]
Pryds, Nini [1 ]
机构：
[1] Tech Univ Denmark, Dept Energy Convers & Storage, DK-4000 Roskilde, Denmark
[2] Univ Zaragoza, CSIC, ICMA, E-50009 Zaragoza, Spain
来源：
APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 12期
关键词：
calcium compounds; lanthanum compounds; magnetic cooling; magnetocaloric effects; strontium compounds; REGENERATOR;
D O I：
10.1063/1.3695338
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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. (C) 2012 American Institute of Physics. [http://dx.doi.org/ 10.1063/1.3695338]
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页数：3
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