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Barium titanate particle of roughly 25 μm diameter is shown above a 60 μm wide electrode. Particle equilibrium position varies with driving frequency for a constant applied potential (7.5 V). In all cases, particle's center location is displayed with respect to the edge of the electrode. Electrode center is shown as a vertical dashed-dotted line. Particle positions observed in methanol at (a) 300 Hz, (b) 400 Hz, and (c) 500 Hz.
