Image icon  Disclinations in a smectic LCP, revealed by decoration

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Description: Detailed configurations of disclinations and their interactions have been elucidated by band texture decoration. The positive value of elastic anisotropy of a semi-flexible LCP, Cl-6, shows that bend distortion is favoured. The obvious variations of elastic anisotropy values measured from the different disclinations is probably related to the polydispersity of the polymer. The majority of disclination pairs showing random configurations indicate that that defect interactions are far from equilibrium in polymeric smectics.
Keywords: alignment • decoration • disclination • dislocation • liquid crystalline polymer (LCP) • polymer • smectic • spontaneous band texture • texture
Categories: Science approaches > Structure, bonding & defects > Dislocations
Science approaches > Microstructure
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: DoITPoMS, University of Cambridge
Prof A H Windle, Department of Materials Science and Metallurgy, University of Cambridge
Published by: DoITPoMS, University of Cambridge
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Date created: 03 October 2002
Date added: 21 August 2009
Resource ID: 1671