Structural, magnetic, magnetocaloric and magnetotransport properties in Ge doped Ni-Mn-Sb Heusler alloys

被引：48
|
作者：
Sahoo, Roshnee [1 ]
Nayak, Ajaya K. [1 ]
Suresh, K. G. [1 ]
Nigam, A. K. [2 ]
机构：
[1] Indian Inst Technol, Dept Phys, Bombay 400076, Maharashtra, India
[2] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2012年 / 324卷 / 07期
关键词：
Full Heusler alloy; Magnetocaloric effect; Magnetoresistance; PHASE-TRANSFORMATION; NI2MNGA;
D O I：
10.1016/j.jmmm.2011.11.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of Ge substitution on the magnetic, magnetocaloric and transport properties of Ni45Co5 Mn38SB12-xGex (x=0-3) has been investigated. The decrease in the exchange interaction brought by Ge substitution can be seen from the reduction in the magnetization of austenite phase and the increase in the martensitic transition temperature. The magnetocaloric effect and the magnetoresistance values are found to be quite sensitive to small changes in Sb/Ge ratio. Taking into account various properties, the present series seems to be a promising multifunctional system. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1267 / 1271
页数：5
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