Giant Magneto-Impedance Effect in Ni Fe Composite Multilayers

Giant Magneto-Impedance Effect in Ni Fe Composite Multilayers

The giant magneto-impedance (GMI) effect of (NiFe/SiO sub(2)) sub(n)/Cu/(SiO sub(2)/NiFe) sub(n) composite multilayers is investigated. The results show that the magnitude of the GMI effect changes with an increasing number of layers n of bilayers SiO sub(2)/NiFe. At n=3, the maximum MI ratios reach...

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Veröffentlicht in:IEEE transactions on magnetics 2006-10, Vol.42 (10), p.2799
Hauptverfasser: Song, Zicheng, Yuan, Wangzhi, Zhao, Zhenjie, Ruan, Jianzhong, Yang, Xielong, Seet, H.L, Li, X.P
Format: Artikel
Sprache:eng
Schlagworte:
Intermetallics
Iron
Iron compounds
Magnetism
Magnetoimpedance
Multilayers
Nickel base alloys
Nickel compounds
Silicon dioxide
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Zusammenfassung:The giant magneto-impedance (GMI) effect of (NiFe/SiO sub(2)) sub(n)/Cu/(SiO sub(2)/NiFe) sub(n) composite multilayers is investigated. The results show that the magnitude of the GMI effect changes with an increasing number of layers n of bilayers SiO sub(2)/NiFe. At n=3, the maximum MI ratios reached 17.08%. When n was further increased to four and five, the MI ratios decreased slightly. This is mainly attributed to changes in the samples' magnetic characteristics, which is due to the influence of the magnetic moment direction of the NiFe layer and the inner stress
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2006.879893