Optimization of giant magnetoimpedance effect in Co-rich glass-coated microwires by annealing

被引：7

作者：

Corte-Leon, P. ^{[1
,2
,3
,4
]}

Gonzalez, A. ^{[1
,2
]}

Zhukova, V. ^{[1
,2
,4
]}

Ipatov, M. ^{[5
]}

Blanco, J. M. ^{[2
,4
]}

Zhukov, A. ^{[1
,2
,4
,6
]}

机构：

[1] UPV, Dept Polymers & Adv Mat, EHU, San Sebastian 20018, Spain

[2] UPV, Dept Appl Phys 1, EIG, EHU, San Sebastian 20018, Spain

[3] Univ Cambridge, Dept Mat Sci & Met, 27 Charles Babbage Rd, Cambridge CB3 0FS, England

[4] UPV, EHU Quantum Ctr, EHU, San Sebastian 20018, Spain

[5] UPV, Serv Gen Invest SGIker, EHU, Bilbao 48080, Spain

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

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2024年 / 999卷

关键词：

Magnetic microwires; GMI effect; Annealing; INTERNAL-STRESS DISTRIBUTION; MAGNETIC-PROPERTIES; STRUCTURAL-RELAXATION; MECHANICAL-PROPERTIES; SATURATION MAGNETOSTRICTION; AMORPHOUS WIRES; IMPEDANCE; DEPENDENCE; TEMPERATURE; SENSOR;

D O I：

10.1016/j.jallcom.2024.175023

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We studied the effect of annealing on the hysteresis loops and the Giant magnetoimpedance, GMI, ratio of Co72Fe4B13Si11 glass-coated microwire. A remarkable GMI ratio improvement up to 735 % is observed after annealing at appropriate conditions. Observed magnetic softening and GMI ratio improvement have been discussed considering the internal stresses relaxation. The observed change in the hysteresis loop shape and in GMI ratio upon annealing correlate with a change in the magnetostriction coefficient sign and values with increasing of annealing temperature.

引用

页数：7

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