Hysteresis and unusual magnetic properties in the singular Heusler alloy Ni45 Co5 Mn40 Sn10

Vijay Srivastava, Xian Chen, Richard D. James

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Abstract

The alloy Ni45 Co5 Mn40 Sn10 is shown to be singular relative to nearby alloys in three following ways: (1) The austenite has remarkably high magnetization (1170 emu/ cm3) and low magnetic anisotropy. (2) The thermal hysteresis is near minimum. (3) The transformation temperature ∼135 °C is unusually high. Because the unusually large magnetization and low hysteresis is seen at relatively small applied fields, applications such as magnetic shape memory, energy conversion, and solid state refrigeration may become practical.

Original languageEnglish (US)
Article number014101
JournalApplied Physics Letters
Volume97
Issue number1
DOIs
StatePublished - Jul 5 2010

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