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PUBLICATIONS

Surface Oxygen Chemistry of a Gas Sensing Material: SnO2(101)

Published

Author(s)

M Batzill, K Katsiev, Anne M. Chaka, A C. Diebold

Abstract

Experimental techniques and density functional theory have been employed to identify the surface composition and structure of SnO2(101). The stoichiometric Sn4+O22- surface is only stable at high oxygen chemical potential. For lower oxidizing potential of the gas phase a Sn2+O2- bulk termination is favored. These two surfaces interconvert without reconstruction by occupying and vacating bridging oxygen sites. This variability of the surface composition is possible because of the dual valency of Sn and is fundamental for the application of this material in gas sensing devices.
Citation
Europhysics Letters
Volume
65 No. 1
Pub Type
Journals

Keywords

Ab initio, DFT, gas sensors, leed, STM, surface science, theory tin oxide

Citation

Batzill, M. , Katsiev, K. , Chaka, A. and Diebold, A. (2004), Surface Oxygen Chemistry of a Gas Sensing Material: SnO<sub>2</sub>(101), Europhysics Letters (Accessed November 7, 2025)

Issues

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Created December 31, 2003, Updated October 12, 2021
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