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Kwak, Sang Kyu
Kyu’s MolSim Lab @ UNIST
Research Interests
  • Molecular modeling and simulation, statistical thermodynamics, molecular physics

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Phase transition and crossover behavior of colloidal fluids under confinement

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Title
Phase transition and crossover behavior of colloidal fluids under confinement
Author
Singh, Sudhir K.Singh, Jayant K.Kwak, Sang KyuDeo, Goutam
Keywords
Colloidal fluids; Critical density; Critical temperatures; Crossover behavior; Fluid interactions; Hard spheres; Molecular diameter; Molecular simulations; Monotonic behavior; Monotonic trend; Slit width; Surface interactions; Well depth; Yukawa fluids
Issue Date
2010-07
Publisher
ELSEVIER SCIENCE BV
Citation
CHEMICAL PHYSICS LETTERS, v.494, no.4-6, pp.182 - 187
Abstract
We report a molecular simulation study on the non-monotonic behavior of critical temperature, Tcp, of a confined Yukawa fluid. Close to the adhesive hard sphere (AHS) range of the surface-fluid interaction, T cp monotonically increases with increasing surface-fluid interaction range. Subsequently, after a certain threshold value, depending on the surface interaction well depth, Tcp decreases monotonically with further increase in the surface interaction range. On the other hand, critical density and pressure show increasing monotonic trends with the surface interaction range. The crossover from 3D to 2D behavior for colloidal fluid in attractive pores is observed around a slit width of 14 molecular diameters for the studied system in this work.
URI
https://scholarworks.unist.ac.kr/handle/201301/6838
DOI
10.1016/j.cplett.2010.06.005
ISSN
0009-2614
Appears in Collections:
ECHE_Journal Papers
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