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Stable and tunable charge carrier control of graphene for quantum resistance metrology
Chalmers Univ Technol, Sweden.
Chalmers Univ Technol, Sweden.
RISE Res Inst Sweden, Sweden.
RISE Res Inst Sweden, Sweden.
Show others and affiliations
2018 (English)In: 2018 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2018), IEEE , 2018Conference paper, Published paper (Refereed)
Abstract [en]

Here we demonstrate a stable and tunable method to alter the carrier concentration of epitaxial graphene grown on silicon carbide. This technique relies on chemical doping by an acceptor molecule. Through careful tuning one can produce chemically doped graphene quantum resistance devices which show long-term stability in ambient conditions and have performance comparable to that of GaAs quantum resistance standards. This development paves the way for controlled device fabrication of graphene quantum hall resistance standards, which can be reliably tailored to operate below 5 T and above 4 K out-of-the-box, without further adjustments from the end-user.

Place, publisher, year, edition, pages
IEEE , 2018.
Keywords [en]
chemical doping; graphene; measurement standards; quantum hall effect
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-153421DOI: 10.1109/CPEM.2018.8501252ISI: 000450231900460ISBN: 978-1-5386-0974-3 (electronic)OAI: oai:DiVA.org:liu-153421DiVA, id: diva2:1270609
Conference
Conference on Precision Electromagnetic Measurements (CPEM)
Note

Funding Agencies|Swedish-Korean Basic Research Cooperative Program of the NRF [2014R1A2A1A12067266]; Swedish Foundation for Strategic Research (SSF) [IS14-0053]; Swedish Research Council (VR); VINNOVA; Knut and Alice Wallenberg Foundation; Chalmers Area of Advance NANO

Available from: 2018-12-13 Created: 2018-12-13 Last updated: 2018-12-13

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf