Magnetic entropy change in Ni51.5Mn22.7Ga25.8 alloy

descriptionPublicationkeyboard_double_arrow_right Article 05 Jun 2000 English Publisher:AIP PublishingJournal:Applied Physics Letters, volume 76, pages 3,460-3,462 (issn: 0003-6951, eissn: 1077-3118,

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Authors: Feng-xia Hu; Bao-gen Shen; Ji-rong Sun;

doi: 10.1063/1.126677

Magnetic entropy change in Ni51.5Mn22.7Ga25.8 alloy

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Abstract

A considerable magnetic entropy change has been observed in Ni51.5Mn22.7Ga25.8 alloys under a field of 0.9 T. This change originates from a sharp magnetization jump which is associated with a martensitic to austenitic structure transition. The large low field entropy change and the adjustable martensic–austensic transition temperature indicate a great potential of Ni–Mn–Ga as working materials for magnetic refrigerants in a wide temperature range.

Related Organizations

Chinese Academy of Sciences
China (People's Republic of)
State Key Laboratory of Magnetism
China (People's Republic of)

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