Abstract
We present transport measurements through nanoparticles as well as preparation techniques to contact short chains of nanoparticles. The nanoparticles are deposited onto a mica substrate in a dewetting process of hexane solution containing the nanoparticles. The measurements were done in a self-developed probing tip setup inside a SEM, where the probing tips were driven by piezoelectric motors. The platinum iridium tips were fabricated by anodic dissolving in a drop-off method which results in sharp tip diameters. With this setup it was possible to contact and measure the nanoparticles under vacuum conditions. The I– V characteristics show a power law behavior as expected for low dimensional cluster systems. Transport in the device is expected to be influenced by Coulomb blockade effects and disorder.
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