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. Author manuscript; available in PMC: 2012 Dec 21.
Published in final edited form as: Lab Chip. 2011 Nov 3;11(24):4248–4259. doi: 10.1039/c1lc20627c

Figure 6.

Figure 6

Electric field distributions in Geometry A (a–c), Geometry B (d–f), and Geometry C (g–l) for a 3 μm diameter probe at 50 nm (a, d, g, and j) and 3 μm (b, e, h, and k) above the surface of the electrode. When close to the surface, the probe is pulled up (FDEP>0) by the positive DEP force in (a), (g), and (j), and by the negative DEP in (d). The red streamlines represent the electric field. The surface plots are E2 and all six graphs share the same scale. (c), (f), (i), and (l) The DEP forces versus distance from the surface when the 3 μm probe is moving away from the electrode.