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arxiv: 0810.0262 · v1 · submitted 2008-10-01 · ❄️ cond-mat.mtrl-sci

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Effects of substrate relaxation on adsorption in pores

Hye-Young Kim (1) , Silvina M. Gatica (2) , George Stan (3) , Milton W. Cole (4) ((1) Department of Chemistry , Physics , Southeastern Louisiana University , Hammond , LA
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(2) Department of Physics Astronomy Howard University 2355 Sixth Street NW Washington DC (3) Department of Chemistry University of Cincinnati Cincinnati OH (4) Department of Physics Penn State University University Park PA)
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classification ❄️ cond-mat.mtrl-sci
keywords relaxationporeseffectsfluidsfoundhostrigidslit
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Fluids in porous media are commonly studied with analytical or simulation methods, usually assuming that the host medium is rigid. By evaluating the substrate's response (relaxation) to the presence of the fluid we assess the error inherent in that assumption. One application is a determination of the ground state of 3He in slit and cylindrical pores. With the relaxation, there results a much stronger cohesion than would be found for a rigid host. Similar increased binding effects of relaxation are found for classical fluids confined within slit pores or nanotube bundles.

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