Defect Glass published in Science

A Self-Quenched Defect Glass in a Colloid-Nematic Liquid Crystal Composite

Wood T.A., Lintuvuori J. S., Schofield A. B., Marenduzzo D. and Poon W. C. K. Science, 334, 79, 2011.

When colloidal particles are dispersed in a nematic liquid crystal medium the composite exhibits very interesting behaviour.   At volume fractions above 20% it becomes very stiff and, together with rheological data, simulations indicate that a colloidal gel is held together by defect lines percolating through the sample.  These composites could find applications in sensor technologies.

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