Identification of active oxygen on Cu 110 using low temperature scanning tunneling microscopy |
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| Institution: | 1. Department of Computer Engineering, Polytechnic University of Valencia, 46071 Valencia, Spain;2. Department of Chemistry, Polytechnic University of Valencia, 46071 Valencia, Spain;1. Department of Economics, Hebrew University of Jerusalem, Mount Scopus, Jerusalem 91905, Israel;2. Centre de Recherche en Économie et Statistique (CREST), 15 Boulevard Gabriel Peri 92245 Malakoff Cedex, Paris, France;3. Department of Economics, Boston College, 140 Commonwealth Ave., Chestnut Hill, MA, 02467, USA |
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| Abstract: | Using a low temperature scanning tunneling microscope (STM) we have imaged isolated oxygen-related features on the unreconstructed surface between (2 × 1)-O regions on Cu{110}. On the assumption that these are individual oxygen atoms, they appear to occupy mostly hollow sites in the troughs. We suggest that such adatoms constitute an active form of oxygen known to participate readily in deprotonation reactions on copper surfaces. |
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