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The influence of Cu on the magnetic and martensitic transformation properties of Ni50Mn36In14

Liu Zhu-Hong Yi Bi Li Ge-Tian Ma Xing-Qiao

The influence of Cu on the magnetic and martensitic transformation properties of Ni50Mn36In14

Liu Zhu-Hong, Yi Bi, Li Ge-Tian, Ma Xing-Qiao
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  • Received Date:  09 April 2012
  • Accepted Date:  28 May 2012
  • Published Online:  05 May 2012

The influence of Cu on the magnetic and martensitic transformation properties of Ni50Mn36In14

  • 1. Department of Physics, University of Science and Technology Beijing, Beijing 100083, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 51001010) and the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20100006120001).

Abstract: In this paper, we investigate the magnetic and martensitic transformation properties of Cu doping partial Ni in Ni50Mn36In14 alloy. It is found that the critical temperature of the martensitic transformation decreases with Cu concentration x in Ni50-xCuxMn36In14 increases. While Cu concentration is less than 5% at., the magnetization of austenite phase is stronger than that of martensite phase, and ΔM of magnetization martensite and austenite increases with Cu doping. ΔM increases rapidly to 80 emu/g when x=4.5 and a field-induced transformation is observed in this alloy, predicting the application potential as the magnetic actuation and magnetoresistance materials. As Cu content increases to x > 5, the magnetization of austenite becomes weaker than that of martnensite, ΔM decreases to near zero.

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