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Picosecond laser pulses are employed to adjoin, to hold closely, and to weld gold nanoparticles on carbon-coated copper grids. Microscopic images and profiles indicate that gold particles are well connected showing single-phased nanocontact. Our results suggest that laser-induced nanowelding can be achieved in a programmed manner to produce ohmic contact by considering the size-dependent thermodynamic, dynamic, and kinetic properties of metallic nanometerials.
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Kim et al. (2005) studied this question.
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