X-ray photoelectron diffraction investigation of the (2 × 2) overlayers of Cs and K on Cu(111)

X-ray photoelectron diffraction measurements have been made for the Cu(111)(2 × 2)-Cs and Cu(111)(2 × 2)-K systems to explore the possibility of using substrate emission XPD for the elucidation of adsorbate-substrate registry in these cases of strongly scattering adsorbate atoms and anticipated atop...

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Veröffentlicht in:Surface science 1994-12, Vol.320 (3), p.315-319
Hauptverfasser: de Carvalho, A.V., Woodruff, D.P., Kerkar, M.
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container_title Surface science
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creator de Carvalho, A.V.
Woodruff, D.P.
Kerkar, M.
description X-ray photoelectron diffraction measurements have been made for the Cu(111)(2 × 2)-Cs and Cu(111)(2 × 2)-K systems to explore the possibility of using substrate emission XPD for the elucidation of adsorbate-substrate registry in these cases of strongly scattering adsorbate atoms and anticipated atop adsorption sites. Although scattering effects within the substrate, for sub-surface emitters, clearly complicate the interpretation of the data, simple symmetry arguments do give substantial support to the identification of atop adsorption sites in both systems.
doi_str_mv 10.1016/0039-6028(94)90319-0
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subjects Adsorbed layers and thin films
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Electron and ion emission by liquids and solids
impact phenomena
Exact sciences and technology
Metals. Metallurgy
Photoemission and photoelectron spectra
Physics
Solid surfaces and solid-solid interfaces
Surface structure and topography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
title X-ray photoelectron diffraction investigation of the (2 × 2) overlayers of Cs and K on Cu(111)
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