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  The Electron–Phonon Interaction at Vicinal Metal Surfaces Measured with Helium Atom Scattering

Benedek, G., Miret-Artés, S., Manson, J. R., & Toennies, J. P. (2023). The Electron–Phonon Interaction at Vicinal Metal Surfaces Measured with Helium Atom Scattering. Nanomaterials, 13: 2997. doi:10.3390/nano13232997.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-FBED-E Version Permalink: https://hdl.handle.net/21.11116/0000-000D-FBEE-D
Genre: Journal Article

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nanomaterials-13-02997-v2.pdf (Publisher version), 4MB
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 Creators:
Benedek, Giorgio, Author
Miret-Artés, Salvador, Author
Manson, Joseph R., Author
Toennies, Jan Peter1, Author           
Affiliations:
1Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063297              

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 Abstract: Recently, it was demonstrated that inelastic helium atom scattering from conducting surfaces provides a direct measurement of the surface electron–phonon coupling constant (mass enhancement factor λ) via the temperature or the incident wave vector dependence of the Debye–Waller exponent. Here, previous published as well as unpublished helium atom scattering diffraction data from the vicinal surfaces of copper (Cu(11α), with α = 3, 5, 7) and aluminum (Al(221) and Al(332)) were analyzed to determine λ. The results suggested an enhancement with respect to the corresponding data for the low-index surfaces (111) and (001) above the roughening transition temperature. The specific role of steps compared to that of terraces is briefly discussed.

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Language(s): eng - English
 Dates: 2023-11-22
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3390/nano13232997
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Title: Nanomaterials
  Abbreviation : Nanomater.
Source Genre: Journal
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Publ. Info: Basel, Schweiz : MDPI
Pages: 13 Volume / Issue: 13 Sequence Number: 2997 Start / End Page: - Identifier: ISSN: 2079-4991
CoNE: https://pure.mpg.de/cone/journals/resource/2079-4991