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Article: Phase separation in fluid additive hard sphere mixtures?

TitlePhase separation in fluid additive hard sphere mixtures?
Authors
Issue Date1998
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00268976.asp
Citation
Molecular Physics, 1998, v. 95 n. 2, p. 131-135 How to Cite?
AbstractSome years ago Lebowitz and Rowlinson 'established' that phase separation did not occur in fluid mixtures of additive hard spheres. Their analysis was based on the thermodynamic functions of this mixture, obtained from the solution of the Percus-Yevick (PY) equation At the time, these results were thought to be accurate for all states for which additive hard sphere mixtures were fluid. Recent theoretical work and simulations have shown that the PY radial distribution function between a pair of large spheres is seriously in error when the ratio of the diameters of the large and small spheres becomes large and when the concentration of the large spheres is very small. Thus, a reexamination of the question of phase stability in fluid additive hard sphere mixtures is worthwhile. Indeed, it is found that phase separation is probable in fluid additive hard sphere mixtures when the concentration of the large particles is very dilute Generally, the coexisting phase is solid. However, under some circumstances the coexisting phase may be fluid. This result may provide insight into the recently observed phase separation in colloids.
Persistent Identifierhttp://hdl.handle.net/10722/167292
ISSN
2015 Impact Factor: 1.837
2015 SCImago Journal Rankings: 0.781
References

 

DC FieldValueLanguage
dc.contributor.authorHenderson, Den_US
dc.contributor.authorBoda, Den_US
dc.contributor.authorChan, KYen_US
dc.contributor.authorWasan, DTen_US
dc.date.accessioned2012-10-08T03:05:21Z-
dc.date.available2012-10-08T03:05:21Z-
dc.date.issued1998en_US
dc.identifier.citationMolecular Physics, 1998, v. 95 n. 2, p. 131-135en_US
dc.identifier.issn0026-8976en_US
dc.identifier.urihttp://hdl.handle.net/10722/167292-
dc.description.abstractSome years ago Lebowitz and Rowlinson 'established' that phase separation did not occur in fluid mixtures of additive hard spheres. Their analysis was based on the thermodynamic functions of this mixture, obtained from the solution of the Percus-Yevick (PY) equation At the time, these results were thought to be accurate for all states for which additive hard sphere mixtures were fluid. Recent theoretical work and simulations have shown that the PY radial distribution function between a pair of large spheres is seriously in error when the ratio of the diameters of the large and small spheres becomes large and when the concentration of the large spheres is very small. Thus, a reexamination of the question of phase stability in fluid additive hard sphere mixtures is worthwhile. Indeed, it is found that phase separation is probable in fluid additive hard sphere mixtures when the concentration of the large particles is very dilute Generally, the coexisting phase is solid. However, under some circumstances the coexisting phase may be fluid. This result may provide insight into the recently observed phase separation in colloids.en_US
dc.languageengen_US
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00268976.aspen_US
dc.relation.ispartofMolecular Physicsen_US
dc.titlePhase separation in fluid additive hard sphere mixtures?en_US
dc.typeArticleen_US
dc.identifier.emailChan, KY:hrsccky@hku.hken_US
dc.identifier.authorityChan, KY=rp00662en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1080/00268979809483143-
dc.identifier.scopuseid_2-s2.0-0000706692en_US
dc.identifier.hkuros39940-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0000706692&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume95en_US
dc.identifier.issue2en_US
dc.identifier.spage131en_US
dc.identifier.epage135en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridHenderson, D=7402988756en_US
dc.identifier.scopusauthoridBoda, D=7005945596en_US
dc.identifier.scopusauthoridChan, KY=7406034142en_US
dc.identifier.scopusauthoridWasan, DT=35569125000en_US

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