Broadband ferromagnetic resonance of micron-scale iron wires using rectifying effect

Y. Kasatani, A. Yamaguchi, H. Miyajima, Y. Nozaki

研究成果: Article

抜粋

The broadband ferromagnetic resonance study on both the single crystalline and polycrystalline Fe wires were performed using the rectifying effect. The effective Gilbert damping in the polycrystalline Fe wire was about three times larger than that in the single crystalline wire. This is attributed to the enhancement of the energy dissipation due to the incoherent rotation of the magnetization at the grains and grain boundaries in the polycrystalline wire. The difference between the experimental data and analytical calculation can be explained by the strong magnetic shape anisotropy that overcomes the external static magnetic field and forces the magnetization to be directed along the wire axis.

元の言語English
記事番号5772192
ページ(範囲)1587-1590
ページ数4
ジャーナルIEEE Transactions on Magnetics
47
発行部数6 PART 1
DOI
出版物ステータスPublished - 2011 6 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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