Martensitic Transition, Magnetic and Exchange Bias Properties in Mn Rich Heulser alloy Ribbons

被引：1

作者：

Sharma, Jyoti ^{[1
]}

Nag, Jadupati ^{[2
]}

Suresh, K. G. ^{[2
]}

Raja, M. Manivel ^{[3
]}

Walke, Pravin ^{[1
]}

机构：

[1] Univ Mumbai, Natl Ctr Nanosci & Nanotechnol, Bombay 400098, Maharashtra, India

[2] Indian Inst Technol, Dept Phys, Bombay 400076, Maharashtra, India

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

来源：

3RD INTERNATIONAL CONFERENCE ON CONDENSED MATTER & APPLIED PHYSICS (ICC-2019) | 2020年 / 2220卷

关键词：

D O I：

10.1063/5.0001389

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Here we report the first order martensitic transition, microstructural, magnetic and exchange bias (EB) properties in Mn rich Mn50Ni50-xSnx (x=11) Heusler alloy ribbons, prepared by melt spinning method. A large EB field of around 213 Oe has been observed at 2 K, which is attributed to the exchange anisotropy present at the AFM/FM interfaces. The ribbon is found to exhibit the first order martensitic transition from high temperature austenite phase to low temperature martensite phase (i.e. at M-s similar to 74 K), at comparatively lower temperatures than that for the same bulk alloy. Curie temperature of the austenite phase (TCA) lies around room temperature. Observation of training effect strongly corroborates with the presence of EB in these ribbons. The effect of temperature on EB properties has also been studied.

引用

页数：5

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