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Radio-frequency transport of single electrons in superconductor-normal-metal tunnel junctions and the quantum metrological triangle

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20 Author(s)
Kemppinen, A. ; Centre for Metrol. & Accreditation (MIKES), Espoo, Finland ; Maisi, V.F. ; Saira, O. ; Kafanov, S.
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We are developing a single-electron turnstile based on a nanoscale superconductor-insulator-normal-metal-insulator-superconductor (SINIS) structure. The goal is to obtain the frequency to current conversion I = ef with a relative uncertainty <; 10-8 which would be sufficient for a quantum-based standard of electric current. Finally, the quantum current standard will be compared against the quantum standards of voltage and resistance via Ohm's law in the quantum metrological triangle experiment.

Published in:

General Assembly and Scientific Symposium, 2011 XXXth URSI

Date of Conference:

13-20 Aug. 2011