High-intensity atomic oxygen radical anion emission mechanism from 12CaO · 7 Al2O3 crystal surface

Quanxin Li, Hideo Hosono, Masahiro Hirano, Katsuro Hayashi, Masateru Nishioka, Hideo Kashiwagi, Yoshifumi Torimoto, Masayoshi Sadakata

研究成果: ジャーナルへの寄稿学術誌査読

79 被引用数 (Scopus)

抄録

12CaO·7Al2O3 (C12A7) crystal is an interesting material where a large amount of O-(c) and O2-(c) can be formed and trapped in the cages when it is sintered in dry oxygen. The emissive features of this material including the emission species, temperature dependence, field dependence, emission branch ratio, emission stability, the effects of water on the emission intensity, have been investigated. The temperature and oxygen pressure dependences of the electrical conductivity have also been measured. The mechanisms of the O- emission have been discussed based on the investigations of the emission and electrical conductivity features.

本文言語英語
ページ(範囲)100-112
ページ数13
ジャーナルSurface Science
527
1-3
DOI
出版ステータス出版済み - 3月 10 2003
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 表面および界面
  • 表面、皮膜および薄膜
  • 材料化学

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