Large anomalous Nernst effect across the magneto-structural transition in a bulk Ni-Co-Mn-Sn full Heusler alloy

被引：9
|
作者：
Ghosh, Arup [1 ]
De, Avirup [1 ]
Nair, Sunil [1 ,2 ]
机构：
[1] Indian Inst Sci Educ & Res, Dept Phys, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
[2] Indian Inst Sci Educ & Res, Ctr Energy Sci, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
来源：
APPLIED PHYSICS LETTERS | 2018年 / 113卷 / 26期
关键词：
D O I：
10.1063/1.5045262
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the observation of a temperature and field dependent anomalous Nernst effect (ANE) in a Ni-rich bulk Ni-Co-Mn-Sn full Heusler alloy. A large change in the transverse Nernst coefficient (N) is obtained across the first order magneto-structural transition from a tetragonal martensite to a cubic austenite phase. The saturation fields of both the ANE and the magnetization appear to depend largely on the magnetic anisotropy of the device. Such a change in the Nernst co-efficient may prove to be useful for switching applications controlled by temperature and magnetic field changes. Published by AIP Publishing.
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页数：5
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