Structural, magnetic and magneto-transport studies in melt-spun Ni-Mn-Ga ribbons

被引：0
|
作者：
Rao, N. V. Rama [1 ]
Ingale, Babita [1 ]
Gopalan, R. [1 ]
Chandrasekaran, V. [1 ]
Chaubey, Niraj K.
Poddarb, A. [2 ]
Ranganathan, R. [2 ]
Suresh, K. G. [3 ]
机构：
[1] Def Met Res Lab, Hyderabad 500058, Andhra Pradesh, India
[2] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India
[3] IIT, Dept Phys, Bombay 400076, Maharashtra, India
来源：
MAGNETIC MATERIALS | 2008年 / 1003卷
关键词：
magnetization; magneto-structural transformation; magnetoresistance;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural, magnetic and magneto-transport properties were investigated in the as-spun and annealed ribbons of Ni55Mn19.6Ga25.4. The structural transition from the ferromagnetic martensite phase to the paramagnetic austenite phase was observed at 309 K in the annealed ribbon. Large negative magneto-resistance (MR) of 2.2% was obtained at 300 K (H=2 T) in the as-spun ribbon and this value is higher than that of bulk and thin film forms of Ni-Mn-Ga.
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页码：201 / +
页数：2
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