Magnetic Properties of Rutile Ti1-xFexO2 Epitaxial Thin Films

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Growth conditions for pulsed laser deposition of ferromagnetic Ti1-xFexO2 films with the rutile structure have been optimized on the basis of magnetooptical Kerr effect (MOKE) measurements. Thus, it was found that Ti0.94Fe0.06O2 films prepared under very limited growth conditions, at a substrate temperature of 650–675°C and an oxygen pressure of ${\sim}1\times 10^{-6}$ Torr, show ferromagnetism at room temperature. The optimized films revealed a saturation magnetization of 1.3 $\mu_{\text{B}}$ and a coercive field of 0.14 kOe. From XPS measurements, the valence state of Fe was determined to be 3+, ruling out the possibility that ferromagnetism may arise from Fe3O4 nanoparticles.

収録刊行物

  • Japanese journal of applied physics. Pt. 2, Letters

    Japanese journal of applied physics. Pt. 2, Letters 45(4), L114-L116, 2006-02-25

    Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10018158811
  • NII書誌ID(NCID)
    AA10650595
  • 本文言語コード
    EN
  • 資料種別
    SHO
  • ISSN
    0021-4922
  • NDL 記事登録ID
    7821889
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z54-J337
  • データ提供元
    CJP書誌  NDL  JSAP 
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