Controlling Surface Defect Valence in Colloids

G. Skačej and C. Zannoni
Phys. Rev. Lett. 100, 197802 – Published 14 May 2008

Abstract

We perform large-scale Monte Carlo simulations of orientational ordering in nematic shells and study the type and position of topological defects when an external electric field (homogeneous or quadrupolar) is applied. The field-induced variation of the defect number (and strength) can be used to change the valence of colloidal particles coated with a nematic layer.

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  • Received 25 January 2008

DOI:https://doi.org/10.1103/PhysRevLett.100.197802

©2008 American Physical Society

Authors & Affiliations

G. Skačej1 and C. Zannoni2

  • 1Fakulteta za matematiko in fiziko, Univerza v Ljubljani, Jadranska 19, SI-1000 Ljubljana, Slovenia
  • 2Dipartimento di Chimica Fisica ed Inorganica and INSTM-CRIMSON, Università di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy

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Vol. 100, Iss. 19 — 16 May 2008

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