Effect of a humid environment on the surface structure of RuO2(110)

Details Effect of a humid environment on the surface structure of RuO2(110) Effect of a humid environment on the surface structure of RuO2(110)

2003-02-04

arxiv.org/abs/cond-mat/0302075v1

Phys. Rev. B 67, 205424 (2003)

Physics

Condensed Matter

Materials Science

7 pages including 5 figures, Submitted to Phys. Rev. B., Related publications can be found at http://www.fhi-berlin.mpg.de/th/

Scientific paper

10.1103/PhysRevB.67.205424

Combining density-functional theory and thermodynamics we compute the phase diagram of surface structures of rutile RuO2 (110) in equilibrium with water vapor in the complete range of experimentally accessible gas phase conditions. Through the formation of hydroxyl or water-like groups, already lowest concentrations of hydrogen in the gas phase are sufficient to stabilize an oxygen-rich polar oxide termination even at very low oxygen pressure.

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