Liquid Crystallography in Microchannels


Shui, L. and Kooij, S. and Eijkel, J.C.T. and Berg, A. van den (2008) Liquid Crystallography in Microchannels. In: 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTas 2008, 12-16 October 2008, San Diego, CA, USA (pp. pp. 125-127).

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Abstract:We report that high density monodisperse liquid particles (2um diameter oil-droplets) self-organize to 3D close-packed face-centered cubic arrangements, when flowing together with water (continuous) phase in a microchannel (10um×100m or 10m×50um). The resulting remarkably rigid and stable close-packed structure exhibits itself in square and hexagonal patterns, depending on the specific flow conditions. Generally, we observe two (coexisting) ‘crystallographic’ orientations of the close-packed structure, and distinguish dislocation lines and defects.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Metis ID: 255462