The work function of submonolayer cesium-covered gold: a photoelectron spectroscopy study |
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| Authors: | LaRue J L White J D Nahler N H Liu Z Sun Y Pianetta P A Auerbach D J Wodtke A M |
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| Institution: | Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106-9510, USA. |
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| Abstract: | 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 1.61+/-0.08 eV, 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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