酸化マグネシウム(001)表面の原子間力顕微鏡電子衝撃脱離観察 Observation of the MgO(001) Surface by Atomic Force Microscope and Electron Stimulated Desorption

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Observation of angle-resolved electron stimulated desorption (ESD) from air-cleaved MgO (001) surface was carried out. Desorbed species have been analyzed by a quadrupole mass spectrometer (QMS) and by time-of-flight (TOF) methods. Most of the desorbed ions originate from adsorbates such as hydroxide or water. The angular dependence of the desorbed ions suggests adosorbed-site and -direction of adsorbates. To investigate some relations of the angular distributions and surface structures, the observation with the atomic force microscope (AFM) of MgO (001) surface was performed. AFM images show <100> aligned giant step lines whose heights are 3 to 4 nm. This result suggest that adsorbates at this giant step sites influence on the angular distributions of ESD ions.

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  • 真空  

    真空 43(3), 317-320, 2000-03-20 

    The Vacuum Society of Japan

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各種コード

  • NII論文ID(NAID)
    10004561756
  • NII書誌ID(NCID)
    AN00119871
  • 本文言語コード
    JPN
  • 資料種別
    SHO
  • ISSN
    05598516
  • NDL 記事登録ID
    5361479
  • NDL 雑誌分類
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL 請求記号
    Z16-474
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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