Matencio, Sonia and Barrena, Esther and Ocal, Carmen (2016) Coming across a novel copper oxide 2D framework during the oxidation of Cu(111). PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 18 (48). pp. 33303-33309. ISSN 1463-9076, 1463-9084
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Two dimensional copper oxides obtained on Cu(111) by air-enriched argon sputtering plus annealing have been measured at room temperature by means of scanning tunneling microscopy (STM) and atomic force microscopy (AFM) under ultra-high vacuum (UHV) conditions. Depending on the oxygen content different oxide frameworks and diverse stoichiometric metal/oxide interfaces exist. In particular, we report on a novel open honeycomb structure with a large unit cell which is modeled as a two dimensional network made out of Cu3O units. This lattice coexists with other oxide structures richer in oxygen and is suggested to develop towards these denser phases by oxygen incorporation.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SCANNING-TUNNELING-MICROSCOPY; SOLAR-CELLS; SURFACE; CU2O; OXYGEN; CO; ADSORPTION; DEFECTS; PHASE; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Franz J. Giessibl |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 20 Mar 2019 09:08 |
| Last Modified: | 20 Mar 2019 09:08 |
| URI: | https://pred.uni-regensburg.de/id/eprint/2606 |
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