Magnetic Properties and Giant Magneto-Impedance Effect of Ductile Amorphous Microwires Without Glass Coating

被引：0

作者：

Zhukova, V. ^{[1
]}

Umnov, P. ^{[2
]}

Molokanov, V. ^{[2
]}

Shalygin, A. N. ^{[3
]}

Zhukov, A. ^{[1
,4
]}

机构：

[1] Univ Basque Country, Dept Fis Mat, San Sebastian 20009, Spain

[2] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 119991, Russia

[3] R&P Vichel High Frequency Syst, Moscow 119992, Russia

[4] Basque Fdn Sci, IKERBASQUE, Bilbao 48011, Spain

来源：

SENSOR LETTERS | 2012年 / 10卷 / 3-4期

关键词：

Magnetic Microwires; Giant Magneto-Impedance Effect; Soft Magnetic Properties; WIRES; ALLOYS;

D O I：

10.1166/sl.2012.2591

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We studied on Giant magneto-impedance effect (GMI) and magnetic properties of amorphous Co69Fe4Cr4Si12B11 microwires with vanishing magnetostriction without glass coating produced by combination of usual Tailor-Ulitovski method allowing rapid quenching of composite glass coated microwires following by glass removal techniques (with diameter about 90 mu m) and by Tailor-Ulitovski method with consequent glass removal and warm drawing at 300 degrees C (diameter about 55 mu m). We studied GMI effect (dependence of impedance, Z, on applied magnetic field H) and hysteretic magnetic properties in as-prepared microwires and after annealing at 250-450 degrees C. After optimisation ferromagnetic microwires without glass coating with good magnetic and mechanical properties and enhanced GMI effect have been obtained. Annealing allowed us to tailor both magnetic properties and GMI effect.

引用

页码：731 / 735

页数：5

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