Inverse magnetocaloric effect and magnetoresistance associated with martensitic transition for Cu‐doped Ni‐Mn‐In Heusler alloy

Yang Liu; Chao Jing; Xijia He; Yuanlei Zhang; Zhe Li

doi:10.1002/pssa.201600906

journal article Mar 15, 2017

Inverse magnetocaloric effect and magnetoresistance associated with martensitic transition for Cu‐doped Ni‐Mn‐In Heusler alloy

Yang Liu

Chao Jing Xijia He Yuanlei Zhang

Zhe Li

Physica Status Solidi (a) Vol. 214 No. 6 · Wiley

View at Publisher Save 10.1002/pssa.201600906

Abstract

In this study, we reported the influence of replacing Cu for Ni on the crystal structure, martensitic transformation, and magnetic properties for polycrystalline Ni50−xCuxMn37In13 (x = 5 and 7) quaternary alloys. It was found that the studied alloys undergo a first‐order martensitic transformation from ferromagnetic austenite to paramagnetic martensite near room temperature. With increasing Cu content, the martensitic transformation significantly shifts toward a lower temperature, and fully splits off from the Curie transition of austenite, which enhances the difference in magnetization between the two phases for the alloy with x = 7. Moreover, both inverse magnetocaloric and magnetoresistance effects during reverse martensitic transformation were also studied in these two alloys. In comparison to Ni50−xCuxMn37In13 with x = 5, an optimized refrigerant capacity (∼100 J kg−1) and a considerable magnetoresistance (47%) were obtained in Ni43Cu7Mn37In13 alloy for the magnetic field change of 30 kOe. In addition, the magnetic measurements with hydrostatic pressure demonstrate that the magnetoresistance in this system mainly arises due to the electron‐lattice scattering triggered by structural transition.

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Metrics

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References

Details

Published: Mar 15, 2017
Vol/Issue: 214(6)
License: View

Authors

Y

Yang Liu

Department of Physics Shanghai University Shanghai 200444 China

C

Chao Jing

Department of Physics Shanghai University Shanghai 200444 China

X

Xijia He

Department of Physics Shanghai University Shanghai 200444 China

Y

Yuanlei Zhang

Department of Physics Shanghai University Shanghai 200444 China; Center for Magnetic Materials and Devices & Key Laboratory for Advanced Functional and Low Dimensional Materials of Yunnan Higher Education Institute Qujing Normal University Qujing 655011 China

Z

Zhe Li

Center for Magnetic Materials and Devices & Key Laboratory for Advanced Functional and Low Dimensional Materials of Yunnan Higher Education Institute Qujing Normal University Qujing 655011 China

Funding

National Natural Science Foundation of China Award: 51371111

Cite This Article

Yang Liu, Chao Jing, Xijia He, et al. (2017). Inverse magnetocaloric effect and magnetoresistance associated with martensitic transition for Cu‐doped Ni‐Mn‐In Heusler alloy. Physica Status Solidi (a), 214(6). https://doi.org/10.1002/pssa.201600906

Inverse magnetocaloric effect and magnetoresistance associated with martensitic transition for Cu‐doped Ni‐Mn‐In Heusler alloy

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