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Water adsorption on r-TiO2(110): Presence of a well-defined (1 × 1)-structure as evidenced by He-atom scattering

  • The adsorption of water on r-TiO2(110) has been investigated with thermal desorption spectroscopy (TDS) and helium atom scattering. Conventional TDS using a mass spectrometer and He-TDS monitoring reflected He beam intensity consistently show the existence of a structurally well-defined monolayer as well as a highly ordered second layer of water and a disordered multilayer phase. He diffraction patterns recorded along the high symmetry [001], equation image, and equation image directions reveal a well-ordered superstructure with (1x1) symmetry, providing strong evidence for the absence of a partially dissociated monolayer on the perfect parts of the substrate. No changes in the diffraction patterns are observed after irradiation with UV-light.

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Metadaten
Author:Niklas Osterloh, David Silber, Franziska Traeger, Christof Wöll
DOI:https://doi.org/doi.org/10.1002/pssb.201248505
Parent Title (English):physica status solidi (pss)
Document Type:Article
Language:English
Date of Publication (online):2021/08/20
Year of first Publication:2013
Publishing Institution:Westfälische Hochschule Gelsenkirchen Bocholt Recklinghausen
Release Date:2021/08/20
Volume:250
Issue:6
First Page:1235
Last Page:1241
Departments / faculties:Fachbereiche / Wirtschaftsingenieurwesen
Licence (German):License LogoEs gilt das Urheberrechtsgesetz

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