Surface Enhanced Raman Scattering of CO Adsorbed on Silver Film

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概要

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• We have observed the surface enhanced Raman scattering on the CO molecules ad-sorbed on the silver films which were prepared in the ultra high vacuum at 15 K. Themolecules chemically adsorb below 120 K. Three intense Raman bands were found togrow at 155, 180 and 2142 cm '. With increasing the thickness of the CO overlayeron the silver surface, the peak of the stretching band at 2142 cm ' shifts to the lowenergy side, and the intensity and the band width increase. This result clarifies largediscrepancies among reported values of the peak and the band width by other resear-chers. Rare gas atoms of Kr and Xe overlaid on the CO molecules have been found toinduce similar coverage dependence to that observed in the case of the CO overlayer.Therefore, the dipole-dipole interaction is not a main cause of the coveragedependence. Chemical effect is considered to be a possible cause.

• 社団法人日本物理学会の論文
• 1986-08-15

著者

• Nanba T

  Graduate School Of Science And Technology Kobe University

• NANBA Takao

  Department of Physics and Graduate School of Science and Technology, Kobe University

• Ikezawa M

  Tohoku Univ. Sendai

• Ikezawa Mikihiko

  Department Of Physics The Faculty Of Science Tohoku University

• Ikezawa Mikihiko

  Research Institute For Scientific Measurements Tokyo University

• Ikezawa Mikihiko

  Department Of Physics Faculity Of Science Tohoku University

• Nanba Takao

  Faculty Of Science Kobe University

• Yamamoto I

  Department Of Physics Yokohama National University

• YAMAMOTO Itsuro

  Faculty of Education, Hirosaki University

• Yamamoto Itsuro

  Department of Physics, Graduate School of Science, Kyoto University

• Yamamoto Itsuro

  Department Of Physics Faculty Of Science Tohoku University

• Yamamoto I

  Faculty Of Education Hirosaki University

• Yamamoto Ikuo

  Department Of Physics Faculty Of Science Tokyo Institute Of Technology Oh-okayama

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