Effective Demagnetizing Factors in Ferromagnetic-Resonance Kittel Equation

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抄録

Simple equations of effective demagnetizing factors ${N_{x}}^{\text{e}}$ and ${N_{y}}^{\text{e}}$ for use in Kittel's ferromagnetic resonance (FMR) formula have been derived for the first time. The effective demagnetizing factors are derived from anisotropy energy ($G$) and a static field direction expressed by a spherical coordinate system ($\theta,\phi$). Using the equations, the resonance equation at every direction can be easily calculated without the need for crystal-axis rotation. Compared with Macdonald's derivation, our derivation is simple.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 42(11), 6875-6878, 2003-11-15

    公益社団法人 応用物理学会

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各種コード

  • NII論文ID(NAID)
    10012564017
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    6752449
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  J-STAGE  JSAP 
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