WAXS studies of global molecular orientation induced in nematic liquid crystals by simple shear flow

Pople, J.A. and Mitchell, G.R. (1997) WAXS studies of global molecular orientation induced in nematic liquid crystals by simple shear flow. Liquid Crystals, 23 (4). pp. 467-473. ISSN 1366-5855 doi: 10.1080/026782997208046

Abstract/Summary

Global molecular orientation function coefficients for the nematic liquid crystal 4-cyano 4'-nn -pentylbiphenyl (5CB) in shear flow are presented, being extracted from 2-dimensional Wide-Angle X-ray Scattering data. A linear increase in orientation parameter P2 is observed with a logarithmic increase in shear rate. It is proposed that this arises from an increased number of LC directors aligning to the shear axis. Upon cessation of shear flow, the anisotropy is seen to relax away completely, over a time scale which is inversely proportional to the previously applied shear rate.

Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/26890
Item Type	Article
Refereed	Yes
Divisions	Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Electron Microscopy Laboratory (CAF)
Publisher	Taylor & Francis
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