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Proceedings Paper

Nematic colloidal assemblies: towards photonic crystals and metamaterials
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Paper Abstract

Colloidal structures assembled in confined nematic liquid crystals are examined. Theoretical predictions based on Landau-type approaches are complemented with the latest studies of laser assisted colloidal assembling. Effective colloidal interactions are particularly sensitive to the confinement and external fields. Their complexity leads to numerous stable or metastable colloidal superstructures not present in isotropic solvents. Particularly important are colloidal structures coupled by entangled disclinations. Such a string-like coupling is very robust and opens new routes to assemble new photonic materials.

Paper Details

Date Published: 29 January 2008
PDF: 10 pages
Proc. SPIE 6911, Emerging Liquid Crystal Technologies III, 69110C (29 January 2008); doi: 10.1117/12.769070
Show Author Affiliations
Slobodan Žumer, Univ. of Ljubljani (Slovenia)
J. Stefan Institute (Slovenia)
Igor Muševic, J. Stefan Institute (Slovenia)
Univ. of Ljubljani (Slovenia)
Miha Ravnik, Univ. of Ljubljani (Slovenia)
Miha Škarabot, J. Stefan Institute (Slovenia)
Igor Poberaj, Univ. of Ljubljani (Slovenia)
Dušan Babič, Univ. of Ljubljani (Slovenia)
Uroš Tkalec, J. Stefan Institute (Slovenia)

Published in SPIE Proceedings Vol. 6911:
Emerging Liquid Crystal Technologies III
Liang-Chy Chien, Editor(s)

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