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  Photoinduced plasmon excitations in alkali-metal overlayers

Barman, S. R., Horn, K., Häberle, P., Ishida, H., & Liebsch, A. (1998). Photoinduced plasmon excitations in alkali-metal overlayers. Physical Review B, 57(11), 6662-6665. doi:10.1103/PhysRevB.57.6662.

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PhysRevB.57.6662.pdf (Publisher version), 88KB
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PhysRevB.57.6662.pdf
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1998
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APS
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 Creators:
Barman, Sudipto Roy1, Author           
Horn, Karsten2, Author           
Häberle, P.3, Author
Ishida, H.4, Author
Liebsch , A.5, Author
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              
2Surface Physics, Fritz Haber Institute, Max Planck Society, ou_persistent22              
3Departmento de Física, Universidad Técnica Federico Santa María, Chile, ou_persistent22              
4College of Humanities and Sciences, Nihon University, Tokyo, Japan, ou_persistent22              
5Institut für Festkörperforschung, Forschungszentrum, Jülich, Germany, ou_persistent22              

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 Abstract: Collective surface excitations in alkali-metal overlayers are observed using photoyield spectroscopy. Spectra for Na and K on Al(111) reveal a multipole surface plasmon and bulklike overlayer plasmon. In contrast, Li on Al exhibits only the multipole mode. In the submonolayer regime, all three alkali metals provide evidence for the threshold excitation. Time-dependent density-functional calculations for realistic alkali-metal overlayers agree well with these observations.

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Language(s): eng - English
 Dates: 1997-10-201998-03-15
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.57.6662
 Degree: -

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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: 57 (11) Sequence Number: - Start / End Page: 6662 - 6665 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008