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  • Janssen, T J B MNational Phys Lab, England,National Physical Laboratory (NPL) (author)

Graphene, universality of the quantum Hall effect and redefinition of the SI system

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • 2011-09-16
  • Institute of Physics,2011
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-72665
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72665URI
  • https://doi.org/10.1088/1367-2630/13/9/093026DOI
  • https://research.chalmers.se/publication/149420URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding Agencies|UK National Measurement Office (NMO)||Swedish Research Council||Foundation for Strategic Research||EU||EPSRC|EP/G041954|Science & Innovation Award|EP/G014787|SINGLE||
  • The Systeme Internationale dunites (SI) is about to undergo its biggest change in half a century by redefining the units for mass and current in terms of the fundamental constants h and e, respectively. This change crucially relies on the exactness of the relationships that link these constants to measurable quantities. Here we report the first direct comparison of the integer quantum Hall effect (QHE) in epitaxial graphene with that in GaAs/AlGaAs heterostructures. We find no difference in the quantized resistance value within the relative standard uncertainty of our measurement of 8.6 x 10(-11), this being the most stringent test of the universality of the QHE in terms of material independence.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Fletcher, N EBur Int Poids and Mesures,BIPM Bureau International des Poids et Mesures (author)
  • Goebel, RBur Int Poids and Mesures,BIPM Bureau International des Poids et Mesures (author)
  • Williams, J MNational Phys Lab, England,National Physical Laboratory (NPL) (author)
  • Tzalenchuk, ANational Phys Lab, England,National Physical Laboratory (NPL) (author)
  • Yakimova, RositsaLinköpings universitet,Halvledarmaterial,Tekniska högskolan,Linköping University(Swepub:liu)rosia15 (author)
  • Kubatkin, Sergey,1959Chalmers,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kubatkin (author)
  • Lara Avila, Samuel,1983Chalmers,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)larsavil (author)
  • Falko, V IUniversity of Lancaster (author)
  • Fal'ko, V. I.Lancaster University (author)
  • National Phys Lab, EnglandNational Physical Laboratory (NPL) (creator_code:org_t)

Related titles

  • In:New Journal of Physics: Institute of Physics13:9, s. 093026-1367-2630

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