Parallel fabrication and single-electron charging of devices based on ordered, two-dimensional phases of organically functionalized metal nanocrystals

Creators: Markovich, Gil; Leff, Daniel V.; Chung, Sung-Wook; Soyez, Hermes M.; Dunn, Bruce; Heath, James R.

Abstract

A parallel technique for fabricating single-electron, solid-state capacitance devices from ordered, two-dimensional closest-packed phases of organically functionalized metal nanocrystals is presented. The nanocrystal phases were prepared as Langmuir monolayers and subsequently transferred onto Al-electrode patterned glass substrates for device construction. Alternating current impedance measurements were carried out to probe the single-electron charging characteristics of the devices under both ambient and 77 K conditions. Evidence of a Coulomb blockade and step structure reminiscent of a Coulomb staircase is presented.

Additional Information

© 1997 American Institute of Physics. Received 3 January 1997; accepted 9 April 1997. This work was supported by the Office of Naval Research, Order No. N00014-95-F0099 and by the Director, Office of Energy Research, Office of Basic Energy Research, Division of Materials Sciences of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098, and by the NSF-NYI Program. One author (J.R.H.) acknowledges support from the David and Lucile Packard Foundation, and a Dreyfus fellowship. A second author (G.M.) acknowledges support from the Fulbright Program. Two authors (B.D. and H.M.S.) acknowledge funding from the NSF (DMR-9408780).

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