Magnetic and structural transitions in the melt-spun Heusler alloy Ni53Mn25Al22

被引：10
作者：
Liu, Cong
Zhang, Wei
Qian, Zhengnan [1 ]
Hua, Zhong
Zhao, Qibo
Sui, Yu
Su, Wenhui
Zhang, Ming
Liu, Zhuhong
Liu, Guodong
Wu, Guangheng
机构：
[1] Harbin Inst Technol, Dept Phys, Ctr Condensed Matter Sci & Technol, Harbin 150001, Peoples R China
[2] Jilin Normal Univ, Jilin 136000, Peoples R China
[3] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2007年 / 433卷 / 1-2期
关键词：
martensitic transformation; magnetic transition; melt-spinning technique; Heusler alloy;
D O I：
10.1016/j.jallcom.2006.06.070
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report on the magnetic properties and structural transitions of the melt-spun ribbon Ni53Mn5Al22 alloy by means of resistance, differential scanning calorimetry (DSC) and magnetization measurements. The Ni53Mn25Al22 ribbon havinga B2 structure exhibits a magnetic transition from antiferromagnetic to paramagnetic state, and a structural transition of austenitic-martensitic character with a M-s of 278 K. The calculated effective paramagnetic moment of 4.47 mu(B) per formula unit reveals that the Mn atoms contribute to the paramagnetism of the B2 phase in this alloy. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：37 / 40
页数：4
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