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  Adsorbate-induced electronic modification of alkali-metal overlayers

Jacobi, K., Hongyue, S., Gruyters, M. T. A., & Ertl, G. (1994). Adsorbate-induced electronic modification of alkali-metal overlayers. Physical Review B, 49(8), 5733-5736. doi:10.1103/PhysRevB.49.5733.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-A17C-6 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-A5B5-0
Genre: Journal Article

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PhysRevB.49.5733.pdf (Publisher version), 169KB
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https://hdl.handle.net/21.11116/0000-0009-A5B4-1
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PhysRevB.49.5733.pdf
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1994
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APS
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 Creators:
Jacobi, Karl1, Author           
Hongyue, Shi2, Author           
Gruyters, Markus Thomas Albert2, Author           
Ertl, Gerhard1, Author           
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
2Fritz Haber Institute, Max Planck Society, ou_24021              

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 Abstract: For submonolayer coverages of Cs on Ru(0001) surfaces, the Cs-Ru vibration is observed at 7.8 meV (63 cm−1) by means of high-resolution electron-energy-loss spectroscopy. At Cs coverages near the complete monolayer the adlayer becomes metallic as indicated by screening of the Cs-Ru vibration and the occurrence of an electronic excitation (plasmon) at 580 meV. Coadsorption of CO as well as of oxygen leads to the reappearance of the Cs-Ru vibration and the disappearance of the electronic excitation which is interpreted as a demetallization through chemical interaction with the coadsorbed species.

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Language(s): eng - English
 Dates: 1993-07-211994-02-15
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.49.5733
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: 4 Volume / Issue: 49 (8) Sequence Number: - Start / End Page: 5733 - 5736 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008