FAST TRACK COMMUNICATION: One-dimensional Au on TiO2

FAST TRACK COMMUNICATION: One-dimensional Au on TiO2,10.1088/0953-8984/19/8/082202,Journal of Physics-condensed Matter,A. Locatelli,T. Pabisiak,A. Pav

FAST TRACK COMMUNICATION: One-dimensional Au on TiO2   (Citations: 2)
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One-dimensional Au rows are produced on the TiO2(110) surface by controlled photon-stimulated desorption followed by Au deposition at 750 K. In the resulting (1 × 2) structure, O vacancies are replaced by Au atoms, as demonstrated by combined laterally resolved x-ray spectroscopy and micro-LEED (low-energy electron diffraction) measurements. The experimental results are confirmed by first-principles calculations, which indicate strong Au-Ti bonding and a very stable configuration of the Au rows. The calculations determine the detailed atomic structure of the Au rows, with an inter-row spacing of 13 Å and an intra-row Au distance of 2.95 Å.
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