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|Title:||Large low-field inverse magnetocaloric effect near room temperature in Ni(50-x) Mn(37+x) In(13) Heusler alloys|
|Keywords:||Magnetic Entropy Change|
|Citation:||APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 99(1), 265-270|
|Abstract:||Low field inverse magnetocaloric effect (IMCE) associated with first-order martensitic transition in Ni(50-x) Mn(37+x) In(13) (x=3,4,5) alloys was investigated. By tuning the composition of Ni/Mn, large change in the magnetization occurring between martensite and austenite phases in a narrow temperature interval was achieved, which results in large IMCE. Under low magnetic field change of 2 T, a large positive magnetic entropy change (Delta S (M) ) of 23.5 J/kg K with a net refrigeration capacity of 53 J/kg was obtained near room temperature (308 K) in the x=3 alloy. The results show that a small variation in Ni/Mn ratio significantly influences the martensitic transition temperature and the associated magnetic and magnetocaloric properties.|
|Appears in Collections:||Article|
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