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Stable smectic phase in suspensions of polydisperse colloidal platelets with identical thickness

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dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Interdisciplinar de Sistemas Complejos (GISC)es
dc.contributor.authorSun, Dazhi
dc.contributor.authorSue, Hung-Jue
dc.contributor.authorCheng, Zhengdong
dc.contributor.authorMartínez-Ratón, Yuri
dc.contributor.authorVelasco, Enrique
dc.date.accessioned2010-02-23T09:40:02Z
dc.date.available2010-02-23T09:40:02Z
dc.date.issued2009-10
dc.description6 pages, 6 figures.-- PACS nrs.: 61.30.Eb, 64.70.M−, 81.16.Dn, 82.70.Dd.-- ArXiv pre-print available at: http://arxiv.org/abs/0909.2625
dc.description.abstractWe report the nematic and smectic ordering in an aqueous suspension of monolayer α-Zirconium phosphate platelets possessing a high polydispersity in diameter but uniform thickness. We observe an isotropic-nematic transition as the platelet volume fraction increases, followed by the formation of a smectic, an elusive phase that has been rarely seen in discotic liquid crystals. The smectic phase is characterized by x-ray diffraction high-resolution transmission electron microscopy, and optical microscopy. The phase equilibria in this highly polydisperse suspension are rationalized in terms of a theoretical approach based on density-functional theory.
dc.description.sponsorshipAcknowledgment is made to the donors of ACS Petroleum Research Fund (Grant No. 45303-G7) and to the Dow Chemical Co. This work has been partly financed by start-up funds from Texas Engineering Experimental Station and Texas A&M University, by Grants No. NANOFLUID, No. MOSAICO, and No. S-0505/ESP-0299 from Comunidad Autónoma de Madrid (Spain), and Grants No. FIS2005-05243-C02-01, No. FIS2007-65869-C03-01, No. FIS2008-05865-C02-02, and No. FIS2007-65869-C03-C01 from Ministerio de Educación y Ciencia (Spain).
dc.description.statusPublicado
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationPhysical Review E 80, 041704 (2009)
dc.identifier.doi10.1103/PhysRevE.80.041704
dc.identifier.issn1539-3755
dc.identifier.urihttp://hdl.handle.net/10016/6977
dc.language.isoeng
dc.publisherThe American Physical Society
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevE.80.041704
dc.rights© The American Physical Society
dc.rights.accessRightsopen access
dc.subject.ecienciaMatemáticas
dc.subject.other[PACS] Experimental determinations of smectic, nematic, cholesteric, and other structures
dc.subject.other[PACS] Transitions in liquid crystals
dc.subject.other[PACS] Self-assembly
dc.subject.other[PACS] Colloids
dc.titleStable smectic phase in suspensions of polydisperse colloidal platelets with identical thickness
dc.typeresearch article*
dc.type.reviewPeerReviewed
dspace.entity.typePublication
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