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Atomic scale characterization of oxygen adsorbates on Al(111) by scanning tunneling microscopy

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Abstract

We present atomic scale STM pictures of clean and oxygen containing Al(111) surfaces. Little influence of the surface oxygen on the topography of the surfaces is found. Three different oxygen species can be distinguished. One of them is associated with adsorbed oxygen and found to grow in small islands upon adsorption at 300 K. Characteristic hexagonal nuclei, created upon annealing of a dilute oxygen adlayer, represent the second one. By comparison with existing spectroscopic data these are assigned to nuclei of a surface oxide.

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Author notes

  1. H. Höfer & R. J. Behm

    Present address: Institut für Kristallographie und Mineralogie, Universität, Theresienstrasse 4, D-8000, München 2, Germany

Authors and Affiliations

  1. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-1000, Berlin 33

    J. Wintterlin, H. Brune, H. Höfer & R. J. Behm

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  1. J. Wintterlin
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  2. H. Brune
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  3. H. Höfer
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  4. R. J. Behm
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Wintterlin, J., Brune, H., Höfer, H. et al. Atomic scale characterization of oxygen adsorbates on Al(111) by scanning tunneling microscopy. Appl. Phys. A 47, 99–102 (1988). https://doi.org/10.1007/BF00619706

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  • DOI: https://doi.org/10.1007/BF00619706

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