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Coulomb Blockade Thermometry on a Wide Temperature Range

  • O. M. Hahtela
  • , A. Kemppinen
  • , Janne Lehtinen
  • , Antti J. Manninen
  • , E. Mykkanen
  • , M. Prunnila
  • , N. Yurttagul
  • , F. Blanchet
  • , M. Gramich
  • , B. Karimi
  • , E. T. Mannila
  • , J. Muhojoki
  • , J. T. Peltonen
  • , J. P. Pekola

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Abstract

The Coulomb Blockade Thermometer (CBT) is a primary thermometer for cryogenic temperatures, with demonstrated operation from below 1 mK up to 60 K. Its performance as a primary thermometer has been verified at temperatures from 20 mK to 200 mK at uncertainty level below 1% (k=2). In a new project, our aim is to extend the metrologically verified temperature range of the primary CBT up to 25 K. We also demonstrate close-to-ideal operation of a CBT with only two tunnel junctions when the device is embedded in a low-impedance environment.

Original languageEnglish
Title of host publication2020 Conference on Precision Electromagnetic Measurements, CPEM 2020
PublisherIEEE
ISBN (Electronic)9781728158983
DOIs
Publication statusPublished - Aug 2020
MoE publication typeA4 Conference publication
EventConference on Precision Electromagnetic Measurements - Virtual, Denver, United States
Duration: 24 Aug 202028 Aug 2020

Publication series

NameCPEM Digest (Conference on Precision Electromagnetic Measurements)
Volume2020-August
ISSN (Print)0589-1485

Conference

ConferenceConference on Precision Electromagnetic Measurements
Abbreviated titleCPEM
Country/TerritoryUnited States
CityDenver
Period24/08/202028/08/2020

Funding

Project Real-K has received funding from the European Metrology Programme for Innovation and Research (EMPIR) co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.

Keywords

  • cryogenics
  • nanoelectronics
  • single electron devices
  • Temperature measurement
  • thermometers
  • tunneling

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