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X-ray diffraction pattern of synthesized nanopowder. The dashed lines indicate the location of standard bulk peaks. Inset: SEM images of the synthesized powder containing nanowires as well as nanoparticles.
The polarization response of the SHG from a single nanowire in polar coordinate . Inset: SEM of the single free-standing nanowire deposited on ITO-coated glass used for the polarization measurement. Nanowire dimensions: 50-nm-wide and 700-nm-long.
Schematic of the setup for the electrical and optical manipulation. Two torques attempt to orient the nanowire: the electric field due to the polarization of the 800 nm laser and the external applied electric field .
DEP response of a nanowire suspended in conductivity de-ionized water [(a) and (b)] without and [(c) and (d)] with an electric field of at 150 kHz. (a) and (c) White light images; (b) and (d) SHG response (enhanced online). [URL: http://dx.doi.org/10.1063/1.3236777.1] [URL: http://dx.doi.org/10.1063/1.3236777.2]10.1063/1.3236777.110.1063/1.3236777.2
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