Charge transport through chains of nanoparticles

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-devel...

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Bibliographic Details
Published in:Physica. E, Low-dimensional systems & nanostructures Low-dimensional systems & nanostructures, 2010-09, Vol.42 (10), p.2830-2833
Main Authors: Lüdtke, T., Mirovsky, P., Hüther, R., Govor, L., Bauer, G.H., Parisi, J., Haug, R.J.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metallic
Nanocrystalline materials
Nanoparticles
Nanoscale materials and structures: fabrication and characterization
Physics
Probing tip
Transport
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Summary: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.
ISSN:1386-9477
1873-1759
DOI:10.1016/j.physe.2009.10.029