Nanoscale electrode gaps to study single molecule conduction

The fabrication of electrode pairs with a small electrode gap separation using a focussed-ion-beam is reported. Using a previously developed technique, the gap between the electrodes was bridged using several benzenedimethanethiol molecules and a single gold nanoparticle. The electrical properties o...

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Bibliographic Details
Published in:	Microelectronic engineering Vol. 88; no. 8; pp. 2707 - 2709
Main Authors:	van Zalinge, H., van Delft, F.C.M.J.M., Weemaes, R.G.R., van Thiel, E.F.M.J., Snijder, J., Nicolau, D.V.
Format:	Journal Article Conference Proceeding
Language:	English
Published:	Amsterdam Elsevier B.V 01-08-2011 Elsevier
Subjects:	Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science; rheology Electrical characteristics Electrical properties Electrodes Exact sciences and technology Focussed ion beam Gaps Joining Lift off Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Materials science Microelectronics Nanocomposites Nanomaterials Nanoparticles Nanopowders Nanoscale electrodes Nanoscale materials and structures: fabrication and characterization Nanostructure Physics Single molecules Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Nanoparticles Electrical characteristics Lift off Focussed ion beam Nanoscale electrodes Single molecules Gold Electrical properties Ion beam Nanostructures Ion beams Nanometer scale Energy gap Electrical characteristic
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Summary:	The fabrication of electrode pairs with a small electrode gap separation using a focussed-ion-beam is reported. Using a previously developed technique, the gap between the electrodes was bridged using several benzenedimethanethiol molecules and a single gold nanoparticle. The electrical properties of this whole ensemble were measured and the results interpreted with regards to the amount of molecules connecting the electrodes to the nanoparticle. It is shown that the resistance of the single molecule is low compared to some of the values quoted in literature.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0167-9317 1873-5568
DOI:	10.1016/j.mee.2010.12.095