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7 results for “nematic liquid crystals”
Active control of the free surface of a rivulet of a nematic liquid crystal with an electric field
<p><span>The dataset titled "<em>Active Control of the Free Surface of a Rivulet of a Nematic Liquid Crystal with an Electric Field</em>" comprises raw images for Figure 2 and data for Figures 3 as reported in the article in Physical review Fluids.</span></p> <p><span>The files with names starting “Figure2” are the raw .TIF images used for creating the top and side view images shows in Figure 2 (a) and (b). </span></p> <p><span>The file “Figure 3a_Experimental Data.xlsx” includes the experimental data presented in Figure 3a for a 5CB rivulet flowing at volume fluxes of Q=250, 500, and 1000 nL/s.</span></p> <p><span>The file “Figure 3a_Inset_Experimental Data.xlsx” contains control data displayed in the inset of Figure 3a. This data pertains to two controls first Propylene Glycol rivulet flowing at a volume flux of </span><span>𝑄</span><span>=275 nL/S and second liquid crystals LCT 07-1132 rivulet flowing at a volume flux of Q=500nL/s.</span></p> <p><span>The file “Figure 3b_Experimental_Data.xlsx” includes experimental data presented in Figure 3b for 5CB rivulet <span>plotted as a function of the prescribed flux </span></span><span>Q </span><span>for </span><span>V </span><span>= 0 </span><span>V </span><span>and </span><span>V </span><span>= 1000 </span><span>V. </span></p>
Images of nematic liquid crystal interfaces under different flow conditions
<p>The images were collected from microfluidic 5CB-water interfaces. The channel geometries, flow configurations, interfacial 5CB anchoring conditions, image types, and imaging settings are indicated in the .xlsx files.</p>
Continuous generation of topological defects in a passively driven nematic liquid crystal DATA
<p>Data and code associated with the paper titled "Continuous generation of topological defects in a passively driven nematic liquid crystal".</p>
Ferroelectricity in a nematic liquid crystal under a direct current electric field - dataset
<p>The presented data were used in the following publication: Mrukiewicz, M., Perkowski, P., Karcz, J. & Kula, P. Ferroelectricity in a nematic liquid crystal under a direct current electric field. Phys. Chem. Chem. Phys. 25, 13061–13071 (2023).</p>
Raw images of targeted gearshifting in actin-based active nematic liquid crystals
<p><span>Active materials are capable of converting free energy into mechanical work to produce autonomous motion, and exhibit striking collective dynamics that biology relies on for essential functions. Controlling those dynamics and transport in synthetic systems has been particularly challenging. Here, we introduce the concept of spatially structured activity as a means to control and manipulate transport in active nematic liquid crystals consisting of actin filaments and light-sensitive myosin motors. Simulations and experiments are used to demonstrate that topological defects can be generated at will, and then constrained to move along specified trajectories, by inducing local stresses in an otherwise passive material. These results provide a foundation for design of autonomous and reconfigurable microfluidic systems where transport is controlled by modulating activity with light.</span></p>
Flow-induced periodic chiral structures in an achiral nematic liquid crystal
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Raw images of targeted gearshifting in actin-based active nematic liquid crystals
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