On the freezing and structure of hard spheres under spherical confinement

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The equation of state and the structure of hard spheres confined in spherical pores have been investigated via molecular dynamics for different pore radii ranging from 5.0 to 10.0 sigma, where sigma is the particle diameter. The hard boundary is chosen to capture the pure geometric effect of spherical confinement. A discontinuity in the equation of state was observed, indicating the onset of a freezing-like phase transition, which was similar to that of the bulk hard-sphere fluids. The behaviour of confined particles resembles that of the bulk with increase in the pore size, while its deviation from the bulk is found to be larger at the solid-like phase. For the pore radius below 5.0, FCC-like crystal clusters are not formed in spherically confined hard spheres.
Publisher
TAYLOR & FRANCIS LTD
Issue Date
2013-11
Language
English
Article Type
Article
Keywords

MONTE-CARLO CALCULATIONS; LENNARD-JONES METHANE; SLIT PORES; MOLECULAR SIMULATION; CIRCULAR CAVITIES; CARBON NANOTUBES; FREE-ENERGY; FLUIDS; SPECTROSCOPY; BEHAVIOR

Citation

MOLECULAR PHYSICS, v.111, no.21, pp.3283 - 3288

ISSN
0026-8976
DOI
10.1080/00268976.2013.781694
URI
http://hdl.handle.net/10203/245982
Appears in Collection
ME-Journal Papers(저널논문)
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