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High-Resolution Electron Energy Loss Spectroscopy of Cs Vibration on the Ru (0001) Surface |
| HE Pei-mo;Karl Jacobi1 |
| Department of Physics, Zhejiang University, Hangzhou 310027
1Fiitz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
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| Cite this article: |
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HE Pei-mo, Karl Jacobi 1998 Chin. Phys. Lett. 15 907-909 |
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Abstract By using a newly implemented high-resolution electron energy loss spectrometer with better resolution, a new loss at a energy near to double energy of the Cs-Ru stretching vibration, and its dependence on Cs coverage for Cs overlayer on Ru (0001) were observed. Since the energy is slightly smaller than the double energy of the Cs-Ru vibration (intrinsic loss), overtone excitation must be responsible for this new loss observed, but two-phonon process is not excluded.
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| Keywords:
68.35.Ja
79.20.Kz
82.65.My
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Published: 01 December 1998
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| PACS: |
68.35.Ja
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(Surface and interface dynamics and vibrations)
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79.20.Kz
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(Other electron-impact emission phenomena)
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82.65.My
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