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Clustering Effects on Discontinuous Gold Film NanoCells

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Abstract:

Reproducible negative differential resistance (NDR)-like switching behavior is observed in NanoCells. This behavior is attributed to the formation of filaments and clusters between the discontinuous gold films. Control experiments are performed by self-assembly of insulating molecules between the gold islands and conducting molecules on these islands. Additional control experiments are performed by removing the filaments and clusters between islands using a piranha bath. The results are consistent with theoretical predictions and extend the domain of molecular electronics based in organic molecules to include nanosized clusters as active units. This facilitates a scenario where synthetically accessible organic molecules, with defined characteristics, can be adjusted by metallic nanoclusters as an in situ fine-tuning element, able to compensate for the lack of addressing in the nanosize regime.

Keywords: AB INITIO; CLUSTERING; DENSITY FUNCTIONAL THEORY; DISCONTINUOUS GOLD FILM; DYNAMICS; FILAMENTARY FORMATION; INTERLINKING MOLECULE; MOLECULAR; MOLECULAR ELECTRONICS; NANOCELL; NANOELECTRONICS; NANOTECHNOLOGY; NEGATIVE DIFFERENTIAL RESISTANCE; SELF-ASSEMBLING

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2004.104

Publication date: September 1, 2004

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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