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Temperature dependence of the magnetization for Ni–Mn–Co–Sn melt-spun ribbon and HPA alloy in the field of 100 Oe on heating. The inset presents the enlarged view for the HPA alloy.
(a) Variation in the resistivity for HPA alloy versus temperature and (b) DSC curves upon cooling and heating at a rate of 10 K/min for HPA alloy.
Intermediate phase transition temperature as a function of magnetic field in HPA alloy with the solid line as a fit. The inset is a plot of intermediate phase transition temperature vs with a linear fit to the data.
Temperature dependence of for HPA alloy in the field change of 10 kOe. The shadow area indicates the refrigerant temperature interval.
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