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：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

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.

引用

页数：7

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