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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/4159

Title: Inelastic photoemission due to scattering by surface adsorbate vibrations
Authors: Arafune, Ryuichi
Hayashi, Kei
Ueda, Shigenori
Uehara, Yoichi
Ushioda, Sukekatsu
Issue Date: 2005-11-07
Publisher: AMERICAN PHYSICAL SOCIETY
Magazine name: Physical Review Letters
Volume: 95
Number: 20
Start page: 207601-1
End page: 207601-4
DOI: 10.1103/PhysRevLett.95.207601
Abstract: 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 ^<12>C^<16>O. An isotope shift of the step to 240 meV was observed when ^<13>C^<18>O 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.
Rights: Arafune, R., Hayashi, K., Ueda, S., Uehara, Y., Ushioda, S., Physical Review Letters, 95, 207601, 2005. Copyright 2005 by the American Physical Society. http://link.aps.org/doi/10.1103/PhysRevLett.95.207601
URI: http://hdl.handle.net/10119/4159
Material Type: publisher
Appears in Collections:i10-1. 雑誌掲載論文 (Journal Articles)

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