Magnetization State and Magnetic Structure of Wiegand Wire Evaluated by External Magnetic Field Measurement

被引：1
|
作者：
Sha, Guorong [1 ,2 ]
Kita, Yuya [1 ]
Shigeta, Hiroki [1 ]
Nakamura, Tomoaki [1 ]
Yang, Chao [2 ]
Song, Zenglu [2 ]
Takemura, Yasushi [1 ]
机构：
[1] Yokohama Natl Univ, Dept Elect & Comp Engn, Yokohama, Kanagawa 2408501, Japan
[2] Nanjing Vocat Univ Ind Technol, Sch Transportat Engn, Nanjing 210023, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2023年 / 59卷 / 11期
关键词：
Large Barkhausen jump; magnetic structure; magnetization reversal; Wiegand wire;
D O I：
10.1109/TMAG.2023.3279352
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：
Wiegand wires exhibit unique and fast magnetization reversal features, termed as large Barkhausen jumps, in externally applied alternating magnetic fields. However, the mechanisms and magnetization states yielding these large Barkhausen jumps are yet to be sufficiently elucidated. Thus, in this study, we analyzed the magnetization state and magnetic structure of a Wiegand wire by measuring the magnetic field of the wire. Moreover, we defined a four-layer magnetic structure model of the Wiegand wire and analyzed the magnetization states and processes of these layers in an applied alternating magnetic field. In addition, we determined the switching field of each layer and specified the magnetization states resulting in the large Barkhausen jump.
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页数：5
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