X線照射による絶縁被膜の帯電

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タイトル別名
  • Electric Charging of Thin Insulating Film by X-Radiation
  • Xセン ショウシャ ニヨル ゼツエン ヒマク ノ タイデン

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抄録

This study deals with the electric charging of thin insulating films by X-radiation during ESCA measurements. The effect of charging on the value of the kinetic energy for electrons emitted from the specimen surface was obtained on the assumption that there is no charging when either the X-ray intensity or thickness of the insulating film is zero. By measuring the kinetic energy for various X-ray intensities and by extrapolating to zero intensity, it was found that the kinetic energy of C1s electrons emitted from an adsorption layer on Cu shifted to a lower value by as much as 2 eV. It was also found from the X-ray intensity or thickness dependence of the kinetic energy that the true chemical shift for Si2p electrons from 1∼5 nm-thick thermal oxide films on Si was 3.0±0.2 eV and that the effect of charging amounted to 0.5∼1.8 eV for these oxide films.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 43 (5), 388-392, 1979

    公益社団法人 日本金属学会

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