Abstract
A microscopic model based on the Blume-Emery-Griffiths model is proposed to describe the missing-row reconstructions on the Rh(110) surface induced by oxygen. The phase diagram of the model at finite temperatures has been calculated employing the Monte Carlo and cluster variation methods. We find overall agreement between our results and the experimental data on the missing-row reconstruction for the O Rh(110) surface as well as for other fcc (110) surfaces covered by atoms adsorbed in the threefold fcc hollow sites.
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