Abstract
A large isothermal magnetic entropy change with a peak value of 17.7 J kg−1 K−1 has been observed across the austenite–martensite phase transition in Ni50Mn33.66Cr0.34In16 alloy near 270 K. In comparison with the parent Ni50Mn34In16 alloy this temperature regime of the peak in isothermal entropy change is closer to the ambient temperature by nearly 30 K. The effective refrigerant capacity is calculated to be 254 J kg−1, which is 15% higher than that of the parent alloy.
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