The Work Function of Submonolayer Cesium-Covered Gold: A Photoelectron Spectroscopy Study
- LaRue, Jerry L.
- White, J. D.
- Nahler, N. H.
- Liu, Z.
- Sun, Y.
- Pianetta, P. A.
- Auerbach, Daniel J.
- Wodtke, Alec M.
Publication date
July 2008
DOI Publisher
Chapman University Digital Commons Language
EnglishAbstract
Using visible and x-ray photoelectron spectroscopy, we measured the work function of a Au(111) surface at a well-defined submonolayer coverage of Cs. For a Cs coverage producing a photoemission maximum with a He–Ne laser, the work function is , consistent with previous assumptions used to analyze vibrationally promoted electron emission. A discussion of possible Cs layer structures is also presented
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