Martensitic transformation and shape memory effect in ferromagnetic Heusler alloy Ni2FeGa

被引：263

作者：

Liu, ZH

Zhang, M

Cui, YT

Zhou, YQ

Wang, WH

Wu, GH

Zhang, XX

Xiao, G

机构：

[1] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China

[2] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China

[3] Brown Univ, Dept Phys, Providence, RI 02912 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 03期

关键词：

D O I：

10.1063/1.1534612

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have synthesized ferromagnetic Heusler alloy Ni2FeGa using the melt-spinning technique. The Ni2FeGa ribbon, having a high chemical ordering L2(1) structure, exhibits a thermoelastic martensitic transformation from cubic to orthorhombic structure at 142 K and a premartensitic transformation. The alloy has a relatively high Curie temperature of 430 K, a magnetization of 73 Am2/kg, and a low saturated field of 0.6 T. The textured samples with preferentially oriented grains show a completely recoverable two-way shape memory effect with a strain of 0.3% upon the thermoelastic martensitic transformation. (C) 2003 American Institute of Physics.

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页码：424 / 426

页数：3

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