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Photoelectron diffraction study of the Ag(110)-(2×1)-O reconstruction

By M Pascal, C.L.A. Lamont, P. Baumgartel, R. Terborg, J.T. Hoeft, O. Schaff, M. Polcik, A.M. Bradshaw, R.L. Toomes and D.P. Woodruff


The structure of the (2×1)-O adsorption phase on Ag(110) has been determined using scanned-energy mode photoelectron diffraction. The oxygen atoms have been found to occupy the long-bridge site and are almost coplanar with the top layer of silver atoms. The best agreement between multiple-scattering theory and experiment has been obtained for a missing-row (or equivalently an ‘added-row’) reconstruction in which the first-to-second and second-to-third interlayer spacings are 1.55±0.06 Å and 1.33±0.06 Å, respectively. Alternative buckled-row and unreconstructed surface models can be excluded

Topics: Q1, QD
Publisher: Elsevier
Year: 2000
DOI identifier: 10.1016/s0039-6028(00)00669-5
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