Effect of annealing on magnetic properties and structure of Fe-Ni based magnetic microwires

被引：12
|
作者：
Zhukova, V. [1 ,2 ]
Korchuganova, O. A. [3 ]
Aleev, A. A. [3 ]
Tcherdyntsev, V. V.
Churyukanova, M.
Medvedeva, E. V. [4 ,5 ]
Seils, S. [6 ]
Wagner, J. [6 ]
Ipatov, M. [1 ,2 ]
Blanco, J. M. [2 ]
Kaloshkin, S. D.
Aronin, A. [7 ]
Abrosimova, G. [7 ]
Orlova, N. [7 ]
Zhukov, A. [1 ,2 ,8 ]
机构：
[1] Univ Basque Country, Fac Quim, Dept Fis Mat, San Sebastian 20018, Spain
[2] Univ Basque Country, Dept Fis Aplicada, EUPDS, San Sebastian 20018, Spain
[3] Moscow Engn Phys Inst, Natl Res Nucl Univ MEPhI, Moscow 115409, Russia
[4] Natl Univ Sci & Technol MISIS, Moscow 119049, Russia
[5] Russian Acad Sci, Ural Branch, Inst Electrophys, Ekaterinburg 620016, Russia
[6] Karlsruhe Inst Technol, KNMF, D-76131 Karlsruhe, Germany
[7] Insitute Solid State Phys, Chernogolovka 142432, Moscow Region, Russia
[8] Ikerbasque, Basque Fdn Sci, Bilbao 48011, Spain
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2017年 / 433卷
基金：
俄罗斯基础研究基金会;
关键词：
Glass-coated microwires; Soft magnetic properties; Taylor-Ulitovsky technique; Magnetostriction; Annealing; Stress relaxation; Crystallization; AMORPHOUS MICROWIRES; DOMAIN-WALL; ALLOYS; MAGNETOSTRICTION; WIRES; PROPAGATION; BEHAVIOR; DEFECTS;
D O I：
10.1016/j.jmmm.2017.03.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We studied the magnetic properties and domain wall (DW) dynamics of Fe47.4Ni26.6Si11B13C2 and Fe77.5Si7.5B15 microwires. Both samples present rectangular hysteresis loop and fast magnetization switching. Considerable enhancement of DW velocity is observed in Fe77.5Si7.5B15, while DW velocity of samples Fe47.4Ni26.6Si11B13C2 is less affected by annealing. The other difference is the magnetic field range of the linear region on dependence of domain wall velocity upon magnetic field: in Fe47.4Ni26.6Si11B13C2 sample is considerably shorter and drastically decreases after annealing. We discussed the influence of annealing on DW dynamics considering different magnetoelastic anisotropy of studied microwires and defects within the amorphous state in Fe47.4Ni26.6Si11B13C2. Consequently we studied the structure of Fe47.4Ni26.6Si11B13C2 sample using X-ray diffraction and the atom probe tomography. The results obtained using the atom probe tomography supports the formation of the B-depleted and Si-enriched precipitates in the metallic nucleus of Fe-Ni based microwires. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：278 / 284
页数：7
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