High frequency magneto-impedance effects in (Co-Ti-O)/Bi-Ti-O multilayer films

H. Kijima, Y. Zhang, N. Kobayashi, S. Ohnuma, P. Muralt, N. Setter, H. Masumoto

研究成果: Paper査読

抄録

(Co-Ti-O)/Bi-Ti-O multilayer films with 9 Co-Ti-O layers are prepared by tandem sputtering. The high frequency soft magnetic properties and magneto-impedance effects were investigated in the frequency range from 0.1 to 10 GHz. The films maintain the real part of permeability μ′ = 30 up to a few GHz, and exhibit a clear peak of imaginary part of permeability μ″ = 76.4 at the resonance frequency (fr). The μ″ value at fr decreases with increasing an external magnetic field (Hex) applied parallel to the rf magnetic field. From the frequency response of the films, the admittance (Y) shows notable change near f r, which decrease with increasing Hex.

本文言語English
ページ56-58
ページ数3
DOI
出版ステータスPublished - 2013
イベント2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy, ISAF/PFM 2013 - Prague 4, Czech Republic
継続期間: 2013 7 212013 7 25

Other

Other2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy, ISAF/PFM 2013
国/地域Czech Republic
CityPrague 4
Period13/7/2113/7/25

ASJC Scopus subject areas

  • 電子工学および電気工学

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