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Simulation study of random sequential adsorption of mixtures on a triangular lattice

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Abstract.

Random sequential adsorption of binary mixtures of extended objects on a two-dimensional triangular lattice is studied numerically by means of Monte Carlo simulations. The depositing objects are formed by self-avoiding random walks on the lattice. We concentrate here on the influence of the symmetry properties of the shapes on the kinetics of the deposition processes in two-component mixtures. Approach to the jamming limit in the case of mixtures is found to be exponential, of the form: θ(t) ∼ θjam - Δθ  exp(- t/σ), and the values of the parameter σ are determined by the order of symmetry of the less symmetric object in the mixture. Depending on the local geometry of the objects making the mixture, jamming coverage of a mixture can be either greater than both single-component jamming coverages or it can be in between these values. Results of the simulations for various fractional concentrations of the objects in the mixture are also presented.

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Lončarević, I., Budinski-Petković, L. & Vrhovac, S.B. Simulation study of random sequential adsorption of mixtures on a triangular lattice. Eur. Phys. J. E 24, 19–26 (2007). https://doi.org/10.1140/epje/i2007-10206-4

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  • DOI: https://doi.org/10.1140/epje/i2007-10206-4

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