Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system

Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system

We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8 K and magnetic fields below 5 T. Operating this system requires little experimental knowledge or laboratory infrastructure, thereby greatly advancing...

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Bibliographic Details
Published in:Current opinion in chemical engineering Vol. 2; no. 3; p. 035015
Main Authors: Janssen, T. J. B. M., Rozhko, S., Antonov, I., Tzalenchuk, A., Williams, J. M., Melhem, Z., He, H., Lara-Avila, S., Kubatkin, S., Yakimova, Rositsa
Format: Journal Article
Language:English
Published: 19-08-2015
Subjects:
quantum Hall effect
metrology
graphene
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Summary:We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8 K and magnetic fields below 5 T. Operating this system requires little experimental knowledge or laboratory infrastructure, thereby greatly advancing the proliferation of primary quantum standards for precision electrical metrology. This significant advance in technology has come about as a result of the unique properties of epitaxial graphene on SiC.
ISSN:2211-3398
2211-3398
DOI:10.1088/2053-1583/2/3/035015