Mechanically adjustable and electrically gated single-molecule transistors.

Champagne, Alexandre R; Pasupathy, Abhay N; Ralph, Daniel C · Nano Lett · 2005

basic_science · Level V

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Abstract

We demonstrate a device geometry for single-molecule electronics experiments that combines both the ability to adjust the spacing between the electrodes mechanically and the ability to shift the energy levels in the molecule using a gate electrode. With the independent in-situ variations of molecular properties provided by these two experimental "knobs", we are able to achieve a much more detailed characterization of electron transport through the molecule than is possible with either technique separately. We illustrate the performance of the device using C(60) molecules.

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