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(Color online) (a) Electrical connections with nanotube bundle and metal plate. (b) Optical microscope image of adhered bundle at electrochemically sharpened tungsten tip. (c) SEM image of BCNT bundle partially embedded in Ag paste at second metal tip. (d) High resolution SEM image of bundle with small rounded features (individual tubules).
(Color online) Thicker adhered bundle at first tip at (a) zero bias voltage and (b) . The right dark area is the cathode side because the optical microscope was unable to simultaneously focus on both electrodes. A smaller bundle adhered at the first tip at (c) zero bias voltage and (d) .
(Color online) Selected frames from in situ video recording of bundle extension by electric field at different bias voltages; (a) , (b) , (c) , and (d) . White and green arrows denote the first and second particles on protruding bundle.
(Color online) Electric field intensity vs displacement with extension ratio. The profile is established based on Fig. 3.
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