Inelastic photoemission due to scattering by surface adsorbate vibrations

被引：13

作者：

Arafune, R ^{[1
]}

Hayashi, K

Ueda, S

Uehara, Y

Ushioda, S

机构：

[1] RIKEN, Photodynam Res Ctr, Sendai, Miyagi 9800845, Japan

[2] Tohoku Univ, Elect Commun Res Inst, Sendai, Miyagi 9808577, Japan

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.95.207601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By measuring the very low energy photoemission spectra of the CO/Cu(001) surface with a high resolution, we have found the energy loss components due to inelastic scattering of electrons near the Fermi level by the CO vibrational modes. The main energy loss structure appears as a step at 254 meV below the Fermi edge for (CO)-C-12-O-16. An isotope shift of the step to 240 meV was observed when (CO)-C-13-O-18 was adsorbed. This observation confirms that this step arises from the energy loss of photoelectrons near the Fermi level through the excitation of the C-O stretching mode.

引用

页数：4

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