Journal
APPLIED PHYSICS LETTERS
Volume 84, Issue 6, Pages 909-911Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1646460
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SnO2(110) and (101) surfaces with eleven different kinds of terminations for each are systematically investigated by a first-principles projector augmented wave method. Surface energies are discussed as a function of temperature and oxygen partial pressure. Atomic relaxations of the surfaces are then compared. In agreement with previous calculations, the stoichiometric (110) surface is the most stable surface at high oxygen chemical potentials (i.e., low temperature or high pressure). At lower oxygen chemical potentials, however, one of the reduced (101) surface terminations becomes energetically preferred. The other surface terminations are found to be less stable. This is consistent with recent thin-film experimental results. (C) 2004 American Institute of Physics.
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