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\begin{document} |
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\title{A Random Sequential Adsorption model for the differential |
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coverage of Gold (111) surfaces by two related Silicon |
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phthalocyanines} |
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\author{Matthew A. Meineke and J. Daniel Gezelter\\ |
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Department of Chemistry and Biochemistry\\ University of Notre Dame\\ |
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Notre Dame, Indiana 46556} |
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\date{\today} |
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\maketitle |
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\begin{abstract} |
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We present a simple model for the discrepancy in the coverage of a |
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Gold (111) surface by two silicon phthalocyanines. The model involves |
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Random Sequential Adsorption (RSA) simulations with two different |
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landing molecules, one of which is tilted relative to the substrate |
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surface and can (under certain conditions) allow neighboring molecules |
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to overlap. This results in a jamming limit that is near full |
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coverage of the surface. The non-overlapping molecules reproduce the |
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half-monolayer jamming limit that is common in continuum RSA models |
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with ellipsoidal landers. Additionally, the overlapping molecules |
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exhibit orientational correlation and orientational domain formation |
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evolving out of a purely random adsorption process. |
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\end{abstract} |
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\end{document} |