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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-24 23:04 |
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Conference: Bucharest University Faculty of Physics 2015 Meeting
Section: Polymer Physics
Title:
Binary mixtures composed of liquid crystals and carbon nanotubes: I. Effect of isotropic carbon nanotubes – thermotropic nematic liquid crystal. interaction.
Authors:
Vlad POPA-NITA (1)
Affiliation:
1) Faculty of Physics, University of Bucharest, P. O. Box MG-11, Bucharest 077125, Romania
E-mail
v.popanita@gmail.com
Keywords:
liquid crystal, carbon nanotubes, random field
Abstract:
The mesoscopic phenomenological model for predicting the alignment of carbon nanotubes dispersions in thermotropic liquid crystals [1] is extended to include the isotropic carbon nanotubes – nematic thermotropic liquid crystal interaction. The carbon nanotubes in the isotropic phase act as an external random field on liquid crystal component. The influence of the randomly orientational disorder on the phase diagram is theoretically analized for different values of temperature, volume fraction of carbon nanotubes component, nematic carbon nanotubes – nematic liquid crystal coupling strength and random field strength.
References:
1. P. van de Schoot, V. Popa-Nita and S. Kralj, J. Phys. Chem. B112, 4512 (2008)
Acknowledgement:
The author acknowledge support from the Romanian National Project ID-PCE-2011/3/1007 (No.83)
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