Affiliation:
1. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA.
Abstract
Small water droplets dispersed in a nematic liquid crystal exhibit a novel class of colloidal interactions, arising from the orientational elastic energy of the anisotropic host fluid. These interactions include a short-range repulsion and a long-range dipolar attraction, and they lead to the formation of anisotropic chainlike structures by the colloidal particles. The repulsive interaction can lead to novel mechanisms for colloid stabilization.
Publisher
American Association for the Advancement of Science (AAAS)
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