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Comparison between GaAs and graphene QHR standards for resistance realisation at SP
RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology. (MTp)ORCID iD: 0000-0003-2330-9898
RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology. (MTp)
2016 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We report the first precision QHR measurements at SP using a graphene chip. We compare the results of a resistance calibration using GaAs based chips with the results using a graphene chip. The results agree within a few parts in 109 for calibrations of 100 Ω and 10 kΩ resistors. Consistency checks indicate that the uncertainty is lower with the graphene chip, and the noise level is slightly lower. The measurements with the graphene chip were performed exclusively at 4.2 K, which simplifies the calibration procedure considerably compared with GaAs chips.

Place, publisher, year, edition, pages
2016. 7540514
Series
CPEM Digest, ISSN 2160-0171
Keyword [en]
quantum Hall effect, calibration, electric resistance measurement, gallium arsenide, graphene, measurement standards
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:ri:diva-29102DOI: 10.1109/CPEM.2016.7540514Scopus ID: 6603147054ISBN: 978-1-4673-9134-4 (electronic)OAI: oai:DiVA.org:ri-29102DiVA: diva2:1081182
Conference
Conference on Precision Electromagnetic Measurements (CPEM) 2016
Projects
EMRP GraphOhm
Available from: 2017-03-13 Created: 2017-03-13 Last updated: 2017-03-20

Open Access in DiVA

fulltext(1158 kB)8 downloads
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File name FULLTEXT02.pdfFile size 1158 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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Publisher's full textScopushttps://doi.org/10.1109/CPEM.2016.7540514

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • 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
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