One-dimensional Au on TiO2
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 X 2) structure, O vacancies are replaced by Au atoms, as demonstrated by combined laterally resolved x-ray spectroscopy and micro-LEED (low...
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Published in | Journal of physics. Condensed matter Vol. 19; no. 8; pp. 082202 - 082202 (8) |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
Bristol
IOP Publishing
28.02.2007
Institute of Physics |
Subjects | |
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Abstract | 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 X 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 A and an intra-row Au distance of 2.95 A. |
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AbstractList | 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 X 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 A and an intra-row Au distance of 2.95 A. |
Author | Locatelli, A Mentes, T O Pabisiak, T Pavlovska, A Aballe, L Bauer, E Kiejna, A |
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Keywords | Photon stimulated desorption Titanium oxides Gold Vacancies Density functional method X-ray spectra LEED Atomic structure |
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Snippet | 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... |
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SubjectTerms | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Physics Structure and morphology; thickness Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Thin film structure and morphology |
Title | One-dimensional Au on TiO2 |
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