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- W4251561974 abstract "Creation of tiny self-propelled particles is a subject of intense current interest, and control on their direction of motion is critical for application. We study the effect of electric fields on the metal-dielectric Janus particles inducing boojum defect in thin films of a nematic liquid crystal. In a sharp contrast to the response of boojum non-Janus particles, we show that the boojum Janus particles are self-propelled under the action of an ac electric field, which is applied perpendicular to the director in a planar cell. The particles can be transported along any direction, in the plane of the sample, under a steady field. The direction of motion is controllable by changing the field amplitude and frequency. The particle motility is interpreted based on the symmetry breaking of liquid crystal-enabled electro-osmosis (LCEO) flows. The command demonstrated on the motility is promising for tunable transport and microrobotic applications." @default.
- W4251561974 created "2022-05-12" @default.
- W4251561974 date "2021-08-03" @default.
- W4251561974 modified "2023-09-23" @default.
- W4251561974 title "10.1063/5.0060078.3" @default.
- W4251561974 doi "https://doi.org/10.1063/5.0060078.3" @default.
- W4251561974 hasPublicationYear "2021" @default.
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