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Combined Caloric Effect in Directionally Solidified Ni 45Co 5Mn 37In 13 Alloy

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Document pages: 17 pages

Abstract: Solid-state refrigeration technology has become a promising candidate to replace the traditional environment-harmful vapor compression refrigeration. However, the narrow temperature region becomes a critical problem hindering the application of caloric materials to a refrigerator. Here, we report a potential way to solve this problem by combining different caloric effects in one refrigerant. A multiferroic ferromagnetic shape memory alloy Ni45Co5Mn37In13can exhibit large magnetocaloric effect and elastocaloric effect simultaneously. Since the working temperature regions of two caloric effects are adjacent, a broad refrigeration temperature span can be realized in Ni45Co5Mn37In13 alloy by applying magnetic field or external stress at different temperature.

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