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. 2015 Feb 4;27(5):801-5.
doi: 10.1002/adma.201404725. Epub 2014 Dec 17.

Electric field control of the magnetocaloric effect

Yuan-Yuan Gong  1 , Dun-Hui Wang, Qing-Qi Cao, En-Ke Liu, Jian Liu, You-Wei Du
Affiliations

Electric field control of the magnetocaloric effect

Yuan-Yuan Gong et al. Adv Mater. .

Abstract

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.

Keywords: active magnetic refrigerator; ferromagnetic shape memory alloy; magnetocaloric effect; magnetoelectric effect.

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