Control of Quantum Conductions in Nonowire-Nanoparticle Connecting System

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Hybrid nanostructures between the electrical conducting one-dimensional molecular-assembly nanowires and gold nanoparticles with the diameters of 8.5 and 13nm were fabricated at the substrate surface. The electrical conducting behaviors of these hybrid systems were examined from the viewpoint of quantum conduction depending on the size of gold nanoparticles. From the temperature dependent electrical conductivities, the electrical conductions were dominated by the collective tunneling effects between the gold nanoparticles at the temperatures below 100K.