エチレングリコール溶液中におけるシリコン陽極酸化膜のX線光電子分光法による解析

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タイトル別名
  • XPS Analysis of Anodic Oxide Films on Si in an Ethylene Glycol Solution.
  • エチレン グリコール ヨウエキチュウ ニ オケル シリコン ヨウキョク サンカ

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抄録

Silicon dioxide films were fabricated by anodizing single-crystal silicon wafers in a 0.04kmol m-3 HNO3 ethylene glycol solution at 25∼70°C for analysis by XPS with Ar sputtering and capacitance measurement.<br>In anodization, a constant 100mA current was applied up to an anode potential of 200V, then the potential was maintained at this value.<br>The maximum anode potential was reached 200V at 45°C, and the current decay in potentiostatic periods was slowest at this temperature.<br>XPS O 1s and Si 2p spectra showed that anodic oxide film formed at 45°C is thicker than any film formed at other temperatures, and that the film/substrate interface of samples anodized at 45°C is relatively rough compared to that fabricated at other temperatures. Anodic oxide film capacitance was minimum at 45°C.

収録刊行物

  • 表面技術

    表面技術 47 (7), 607-610, 1996

    一般社団法人 表面技術協会

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