title: The work function of submonolayer cesium-covered gold: a photoelectron spectroscopy study.
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.
authors.affiliation: Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106-9510, USA.
authors.forename: J L
authors.initials: JL
authors.lastname: LaRue
authors.forename: J D
authors.initials: JD
authors.lastname: White
authors.forename: N H
authors.initials: NH
authors.lastname: Nahler
authors.forename: Z
authors.initials: Z
authors.lastname: Liu
authors.forename: Y
authors.initials: Y
authors.lastname: Sun
authors.forename: P A
authors.initials: PA
authors.lastname: Pianetta
authors.forename: D J
authors.initials: DJ
authors.lastname: Auerbach
authors.forename: A M
authors.initials: AM
authors.lastname: Wodtke