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First-principles calculations of the energetics of stoichiometric TiO2 surfaces Physical Review B 49, 16721 - 16727 (1994) Madhavan Ramamoorthy and David Vanderbilt, R. D. King-Smith
Influence of gradient corrections on the bulk and surface properties of TiO2 and SnO2 Physical Review B 53, 957 - 960 (1996) J. Goniakowski, J. M. Holender, L. N. Kantorovich, and M. J. Gillan, J. A. White
First-principles calculations of the energetics of stoichiometric TiO2 surfaces Physical Review B 49, 16721 - 16727 (1994) Madhavan Ramamoorthy and David Vanderbilt, R. D. King-Smith