Enhanced magnetocaloric effect and magnetic properties in Ni47Mn40-xFexIn13 (x=1, 2) Heusler alloy

被引：12

作者：

Arumugam, S. ^{[1
]}

Sivaprakash, P. ^{[1
]}

Muthu, S. Esakki ^{[1
,2
]}

Kumar, D. M. Raj ^{[3
]}

Raja, M. Manivel ^{[3
]}

Manikandan, K. ^{[1
]}

Kannan, M. ^{[1
]}

机构：

[1] Bharathidasan Univ, Ctr High Pressure Res, Sch Phys, Tiruchirappalli 620024, Tamil Nadu, India

[2] Karpagam Acad Higher Educ, Dept Phys, Coimbatore 641021, Tamil Nadu, India

[3] Def Met Res Lab, Hyderabad 500058, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2018年 / 465卷

关键词：

Heusler alloy; Magnetic transition; Magnetocaloric effect; MARTENSITIC TRANSITION; ROOM-TEMPERATURE; MN; FE;

D O I：

10.1016/j.jmmm.2018.06.055

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the effect of Fe on the martensitic transitions in Ni47Mn40-xFexIn13 (x = 1 and 2) alloys and associated magnetocaloric effect. Structural and magnetic transitions are observed in x = 1 and 2 alloys. The martensitic transition shifts to low temperature with the increase of Fe concentration. The maximum positive entropy change (Delta S-M) with quite large magnitude of 22 Jkg(-1)K(-1) (x = 1) and 51.2 Jkg(-1)K(-1) (x = 2) are observed for a field change of 50 kOe. Substitution of Fe enhances the magnetization as well as increases the Delta S-M more than a twice in the x = 2 system.

引用

页码：566 / 568

页数：3

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