Surface evolution of rutile TiO2 (1 0 0) in an oxidizing environment |
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| Authors: | Yingmin Wang Oliver Warschkow |
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| Affiliation: | a Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
b School of Physics, The University of Sydney, NSW 2006, Australia |
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| Abstract: | Transmission electron microscopy (TEM) has been used to study the rutile TiO2 (1 0 0) surface in an oxidizing environment. By changing annealing conditions, TiO2 surfaces with different morphologies are obtained. We report a new centered (2 × 2) surface reconstruction on this surface. Our experimental data indicates that this is a meta-stable, oxygen deficient structure formed as the disordered surface regains its stoichiometry in an oxidizing annealing environment. |
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| Keywords: | Titanium oxide Surface reconstruction Surface morphology Electron microscopy |
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