Magnetic Properties of Glass-Coated Amorphous and Nanocrystalline FeMoBCu Microwires

被引：4
|
作者：
Klein, Peter [1 ]
Varga, Rastislav [1 ]
Skorvanek, Ivan [2 ]
El Kammouni, Rhimou [3 ]
Vazquez, Manuel [3 ]
机构：
[1] Safarik Univ, Inst Phys, Fac Sci, Kosice 04154, Slovakia
[2] Slovak Acad Sci, Inst Expt Phys, Kosice 04001, Slovakia
[3] CSIC, Inst Ciencia Mat Madrid, Madrid 28049, Spain
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 11期
关键词：
Domain wall; magnetic microwires; nanocrystalline materials; superparamagnetism; switching field; SWITCHING FIELD; DEPENDENCE;
D O I：
10.1109/TMAG.2014.2323483
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have studied temperature dependence of the switching field in bistable amorphous and nanocrystalline FeMoBCu microwires with low Curie temperature. Using a low Curie temperature of amorphous matrix, a huge variation of the switching field (over 400%) in a quite narrow temperature range (20 degrees C-150 degrees C) has been obtained. Such a variation is attributed to superparamagnetic behavior of separated crystalline grains in the early stage of nanocrystallization.
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页数：3
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