Effect of Sn and Sb element on the magnetism and functional properties of Ni-Mn-Al ferromagnetic shape memory alloys

被引：7

作者：

Agarwal, Sandeep ^{[1
]}

Mukhopadhyay, P. K. ^{[1
]}

机构：

[1] SN Bose Natl Ctr Basic Sci, LCMP, Dept Condensed Matter Phys & Mat Sci, Kolkata 700098, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2016年 / 402卷

关键词：

Magnetic measurements; Shape memory; Phase transitions; Magnetocaloric; Magnetoresistance; Magnetism; TEMPERATURE; MECHANISM;

D O I：

10.1016/j.jmmm.2015.11.061

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have replaced Al partially with Sb and Sn in Ni-Mn-Al systems and investigated its effect on magnetism, entropy change and magnetoresistance in the vicinity of martensitic transformation. Both the samples had identical lattice parameters and Mn contents, which are mostly responsible for magnetism in these systems, yet there were marked changes in magnetic and functional properties of these systems. It was found that the magnetization increased in Sb alloy, while entropy change and magnetoresistance decreased as compared to Sn alloy. These changes are attributed to the change in antiferromagnetic interaction as a result of variation in the Ni d-Mn d hybridization arising due to presence of different sp elements. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：161 / 165

页数：5

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