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Formation of the smectic-B crystal from a simple monatomic liquid
Vise andre og tillknytning
2013 (engelsk)Inngår i: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, E-ISSN 1550-2376, Vol. 88, nr 6, s. 062502-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We report a molecular dynamics simulation demonstrating that the smectic-B crystalline phase (Cry-B), commonly observed in mesogenic systems of anisotropic molecules, can be formed by a system of identical particles interacting via a spherically symmetric potential. The Cry-B phase forms as a result of a first-order transition from an isotropic liquid phase upon isochoric cooling at appropriate number density. Its structure, determined by the design of the pair potential, corresponds to the Cry-B structure formed by elongated particles with the aspect ratio 1.8. The diffraction pattern and the real-space structure inspection demonstrate dominance of the ABC-type of axial layer stacking. This result opens a general possibility of producing smectic phases using isotropic interparticle interaction both in simulations and in colloidal systems.

sted, utgiver, år, opplag, sider
2013. Vol. 88, nr 6, s. 062502-
Emneord [en]
Computer-Simulation, Phase, Systems, Model
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-140149DOI: 10.1103/PhysRevE.88.062502ISI: 000328605400003Scopus ID: 2-s2.0-84890492070OAI: oai:DiVA.org:kth-140149DiVA, id: diva2:689122
Forskningsfinansiär
Swedish e‐Science Research CenterSwedish Research Council
Merknad

QC 20140120

Tilgjengelig fra: 2014-01-20 Laget: 2014-01-17 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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Dzugutov, Michail
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