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Int. J. Mol. Sci. 2011, 12(8), 5352-5372; doi:10.3390/ijms12085352

Structure and Dynamics of Reentrant Nematics: Any Open Questions after Almost 40 Years?

1,*  and 1,2
1 Stranski Lab for Physical and Theoretical Chemistry, Berlin Institute of Technology, 135-17 June Street, Berlin 10623, Germany 2 Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC 27695, USA
* Author to whom correspondence should be addressed.
Received: 6 July 2011 / Revised: 9 August 2011 / Accepted: 11 August 2011 / Published: 22 August 2011
(This article belongs to the Special Issue Liquid Crystals 2011)
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Liquid crystals have attracted enormous interest because of the variety of their phases and richness of their application. The interplay of general physical symmetries and specific molecular features generates a myriad of different phenomena. A surprising behavior of liquid crystals is the reentrancy of phases as temperature, pressure, or concentration are varied. Here, we review the main experimental facts and the different theoretical scenarios that have guided the understanding of bulk reentrant nematics. Recently, some computer simulations of a system confined to nanoscopic scales have found new dynamical features of the reentrant nematic phase. We discuss this prediction in relation with the available experimental evidence on reentrant nematics and with the dynamics of liquids in strongly confined environments.
Keywords: reentrant phase; nematic; dynamics; diffusion
reentrant phase; nematic; dynamics; diffusion
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Mazza, M.G.; Schoen, M. Structure and Dynamics of Reentrant Nematics: Any Open Questions after Almost 40 Years? Int. J. Mol. Sci. 2011, 12, 5352-5372.

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