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.
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