Large reversible magnetocaloric effect in Dy2In

Q. Zhang, X. G. Liu, F. Yang, W. J. Feng, X. G. Zhao, D. J. Kang, Z. D. Zhang

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Abstract

A large reversible magnetocaloric effect over a wide temperature region has been observed in the compound Dy2In. For a magnetic-field change of 5 T, the maximum magnetic-entropy change -ΔSM is 9.2 J kg -1 K-1 at 126 K. The full width at half maximum (δTFWHM) of the -ΔSM versus T curve has a high value of 80 K and the relative cooling power (RCP) is as high as 736 J kg -1 with no hysteresis losses. In particular, a large reversible -ΔSM (4.6 J kg-1 K-1), large δTFWHM (50 K) and large RCP (230 J kg-1) are also achieved for a low field change of 2 T. Therefore, Dy2In may be an interesting material for low-temperature magnetic refrigeration.

Original languageEnglish
Article number055011
JournalJournal of Physics D: Applied Physics
Volume42
Issue number5
DOIs
StatePublished - 2009
Externally publishedYes

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