A charge parity ammeter.

Nano Lett

Cavendish Laboratory , J. J. Thomson Avenue, Cambridge CB3 0HE, United Kingdom.

Published: March 2014

A metallic double dot is measured with radio frequency reflectometry. Changes in the total electron number of the double dot are determined via single electron tunnelling contributions to the complex electrical impedance. Electron counting experiments are performed by monitoring the impedance, demonstrating operation of a single electron ammeter without the need for external charge detection.

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Source
http://dx.doi.org/10.1021/nl403659xDOI Listing

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