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Study of the electronic and atomic structure of thermally treated SrTiO3 (110) surfaces

MPS-Authors
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Gunhold,  A.
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Piskunov,  S.
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Kotomin,  E. A.
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Dorfman,  S.
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Gunhold, A., Beuermann, L., Gömann, K., Borchardt, G., Kempter, V., Maus-Friedrichs, W., et al. (2003). Study of the electronic and atomic structure of thermally treated SrTiO3 (110) surfaces. Surface and Interface Analysis, 35, 998-1003.


Cite as: https://hdl.handle.net/21.11116/0000-000E-E89B-E
Abstract
The electronic structure of heated SrTiO3(110) surfaces was
investigated with metastable impact electron spectroscopy and
ultraviolet photoelectron spectroscopy (He(l)). Scanning tunnelling
microscopy and atomic force microscopy (AFM) were used to study the
topology of the surface. The crystals were heated up to 1000degreesC
under reducing conditions in ultrahigh vacuum or under oxidizing
conditions in synthetic air for I h, respectively. Under both
conditions microfacetting of the surface is observed. The experimental
results are compared with ab initio Hartree-Fock calculations, also
presented here, carried out for both ideal and reconstructed
SrTiO3(110) surfaces. The results give direct evidence for Ti
termination of the faceted TiO2 rows. Copyright (C) 2003 John Wiley
Sons, Ltd.