Large Magnetocaloric Effect and Magnetoresistance in Fe and Co Co-Doped Ni-Mn-Al Heusler Alloys

被引：18
作者：
Wu, Yafei [1 ]
Xuan, Haicheng [1 ]
Agarwal, Sandeep [2 ]
Xu, Yuekui [1 ]
Zhang, Tuo [1 ]
Feng, Lin [3 ]
Li, Hui [1 ]
Han, Peide [1 ]
Zhang, Chengliang [4 ]
Wang, Dunhui [5 ,6 ]
Chen, Fenghua [7 ]
Du, Youwei [1 ,5 ,6 ]
机构：
[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, CAS Key Lab Magnet Mat & Devices, Ningbo 315201, Zhejiang, Peoples R China
[3] Taiyuan Univ Technol, Dept Phys, Taiyuan 030024, Shanxi, Peoples R China
[4] Jiangnan Univ, Sch Sci, Wuxi 214122, Peoples R China
[5] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[6] Nanjing Univ, Key Lab Nanomat Jiang Su Prov, Nanjing 210093, Jiangsu, Peoples R China
[7] Taiyuan Univ Sci & Technol, Dept Phys, Taiyuan 030024, Shanxi, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2018年 / 215卷 / 13期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
magnetoresistance properties; martensitic transformation; Ni-Fe-Co-Mn-Al alloys; SHAPE-MEMORY ALLOYS; MARTENSITIC-TRANSFORMATION; GIANT MAGNETORESISTANCE; PHASE-TRANSFORMATION; SN;
D O I：
10.1002/pssa.201700843
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Ni40Co10-xFexMn33Al17 (x = 4, 6, 8) alloys are prepared by arc-melting method. The crystallographic structure, magnetic and magnetoresistance properties are systematically studied. The large magnetic change is obtained across the martensitic transformation from the ferromagnetic austenite phase to weak-magnetic martensite phase. With the increase in Fe/Co ratio, the martensite transformation temperature shifts to the lower temperature. The large values of magnetoresistance of 33.3, 25.7, and 13.1% are achieved at the field of 3T for x = 4, x = 6, and x = 8 alloys around the martensitic transformation, respectively. These results indicate that Ni-Fe-Co-Mn-Al alloy provides the motive power for further research in practical applications.
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页数：7
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