Journal
ADVANCED MATERIALS
Volume 27, Issue 5, Pages 801-805Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201404725
Keywords
active magnetic refrigerator; ferromagnetic shape memory alloy; magnetocaloric effect; magnetoelectric effect
Categories
Funding
- National Basic Research Program of China [2014AA032904, 2012CB932304]
- National Natural Science Foundation of China [11174130, 51371095, 51371184, U1232210]
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Through strain-mediated magnetoelectric coupling, it is demonstrated that the magnetocaloric effect of a ferromagnetic shape-memory alloy can be controlled by an electric field. Large hysteresis and the limited operating temperature region are effectively overcome by applying an electric field on a laminate comprising a piezoelectric and the alloy. Accordingly, a model for an active magnetic refrigerator with high efficiency is proposed in principle.
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