Multi-island single-electron devices from self-assembled colloidal nanocrystal chains

Details Multi-island single-electron devices from self-assembled colloidal nanocrystal chains Multi-island single-electron devices from self-assembled colloidal nanocrystal chains

2005-08-16

arxiv.org/abs/cond-mat/0508364v1

Appl. Phys. Lett. 88, 143507 (2006)

Physics

Condensed Matter

Other Condensed Matter

4 pages

Scientific paper

10.1063/1.2189012

We report the fabrication of multi-island single-electron devices made by lithographic contacting of self-assembled alkanethiol-coated gold nanocrystals. The advantages of this method, which bridges the dimensional gap between lithographic and NC sizes, are (1) that all tunnel junctions are defined by self-assembly rather than lithography and (2) that the ratio of gate capacitance to total capacitance is high. The rich electronic behavior of a double-island device, measured at 4.2 K, is predicted in detail by combining finite element and Monte Carlo simulations with the standard theory of Coulomb blockade with very few adjustable parameters.

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