Coadsorption of Copper and Sulfate on Au(111) Electrodes: Monte-Carlo Simulation of a Lattice-Gas Model

@article{Zhang1995CoadsorptionOC,
  title={Coadsorption of Copper and Sulfate on Au(111) Electrodes: Monte-Carlo Simulation of a Lattice-Gas Model},
  author={J. Zhang and Per Arne Rikvold and Yung‐Eun Sung and Andrzej Wiȩckowski},
  journal={arXiv: Condensed Matter},
  year={1995},
  pages={122-128}
}
We report ground-state calculations and Monte Carlo simulations for a lattice-gas model of the underpotential deposition of copper on Au(111) in sulfate-containing electrolytes. In a potential range of approximately 100~150 mV, this system exhibits a $$\left( {\sqrt {3} {\mkern 1mu} \times {\mkern 1mu} \sqrt {3} } \right)$$ mixed phase with 2/3 monolayer (ML) copper and 1/3 ML sulfate. Our simulation results agree well with experimental results and with other theoretical work. 

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