Adsorption on stepped substrates |
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| Authors: | D Vuji? N M ?vraki? |
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| Institution: | (1) Faculty of Sciences, R. Domanovi 12, P.O. Box 60, 34000 Kragujevac, Yugoslavia;(2) Institute of Physics, P.O. Box 57, 11001 Beograd, Yugoslavia |
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| Abstract: | An analysis is given of the behavior of an interface above a stepped substrate in the presence of an external pinning potential for the lattice solid-on-solid (SOS) interface model in 2D. Step-free energy including step-step interaction free energy is calculated, for large step separation. It is found it vanishes at temperatures lower thanT
w
(wetting transition temperature), which is different from the case having only one step on a substrate where, as it is well known, step-free energy vanishes at the wetting transition. |
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| Keywords: | 68 45 Da 68 45 Gd |
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