Detection of the frustrated rotation mode of CO on Cu(0 0 1) by very low energy photoelectron spectroscopy

R. Arafune, K. Hayashi, S. Ueda, Y. Uehara, S. Ushioda

研究成果: Article査読

6 被引用数 (Scopus)

抄録

We have measured the very low energy photoelectron spectra of the clean and CO covered Cu(0 0 1) surfaces at low temperature (15 K). A step at 34.5 meV below the Fermi level appeared in the CO/Cu(0 0 1) spectra, while no structure was found at the same position in the clean Cu(0 0 1) spectrum. Furthermore, we have succeeded in measuring the spectral shift of the step to 33.2 meV below the Fermi level by isotopic substitution of the CO molecule. We have concluded that this step originates from the inelastic scattering of photoelectrons through excitation of the frustrated rotation mode of the CO molecule.

本文言語English
ページ(範囲)3536-3539
ページ数4
ジャーナルSurface Science
600
18
DOI
出版ステータスPublished - 2006 9 15

ASJC Scopus subject areas

  • 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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