The magnetic and magnetocaloric properties of a new Mn27Cr7Ni33Ge25Si8high-entropy alloy (HEA) were investigated. The crystal structure is characterized through multiphase Rietveld refinement of X-ray diffraction data. The structure of the HEA is orthorhombic in the Pnma space group. Arrott plots indicate that the ferromagnetic-paramagnetic phase transition is of second order. The maximum magnetic entropy change is 2.49 J·kg-1·K-1, among the highest reported for alloys that do not contain rare earth elements.
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Şarlar et al. (2019) studied this question.
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