The effect of domain-walls motion on second harmonic amplitude of magnetoinductive response in Co-based amorphous wires

被引：13
作者：
Buznikov, NA
Antonov, AS
Kim, C
Kim, CO
Rakhmanov, AA
Yoon, SS
机构：
[1] Russian Acad Sci, Inst Theoret & Appl Electrodynam, Moscow 125412, Russia
[2] Chungnam Natl Univ, Res Ctr Adv Magnet Mat, Taejon 305764, South Korea
[3] Andong Natl Univ, Dept Phys, Andong 760749, South Korea
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2005年 / 285卷 / 1-2期
基金：
俄罗斯基础研究基金会;
关键词：
amorphous wires; helical anisotropy; magnetoinductive effect; domain walls;
D O I：
10.1016/j.jmmm.2004.07.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of domain-walls motion on the magnetoinductive response of Co-based amorphous wires having helical anisotropy has been studied. A model describing the domain-walls motion in the field of AC current in the absence of the skin effect is proposed. It is shown that at high enough AC current amplitudes. the domain-walls; motion results in the appearance of the second harmonic in the magnetoinductive response. The second harmonic amplitude is studied as a function of the longitudinal external magnetic field, the current frequency and the angle of the deviation of the anisotropy axis from the circular direction for both the voltage across the v-ire and the pick-up coil voltage. It is demonstrated that the field sensitivity of the second harmonic can be significantly higher than that of the first harmonic. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：101 / 111
页数：11
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