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Abstract
We studied the formation of particle networks in colloid + liquid crystal mixtures cooled below the isotropic-nematic transition temperature by time-resolved laser scanning confocal microscopy. Our observations confirm a recent suggestion that alkane impurities play a crucial role in slowing down the speed of the isotropic-nematic interface. This enables the growing nematic droplets to 'push' particles into increasingly concentrated regions, ultimately resulting in a cellular network solid. We also found that faster cooling rates resulted in increasingly hierarchical cellular structures.
Original language | English |
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Pages (from-to) | S1901-S1909 |
Number of pages | 9 |
Journal | Journal of Physics: Condensed Matter |
Volume | 16 |
Issue number | 19 |
DOIs | |
Publication status | Published - 19 May 2004 |
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Dive into the research topics of 'Network formation in colloid-liquid crystal mixtures studied by confocal microscopy'. Together they form a unique fingerprint.Projects
- 1 Finished
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Edinburgh Soft Matter and Statistical Physics Group: Programme Grant
Cates, M., Ackland, G., Egelhaaf, S., Evans, M., Poon, W. & Pusey, P.
1/10/03 → 31/03/08
Project: Research