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Coulomb Blockade Thermometry on a Wide Temperature Range

  • Vaisala Oyj
  • Aalto University
  • Munich University of Applied Sciences

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

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 Institute of Electrical and Electronic Engineers
Pages1-2
ISBN (Electronic)978-1-7281-5898-3
ISBN (Print)978-1-7281-5899-0
DOIs
Publication statusPublished - 2020
MoE publication typeA4 Article in a conference publication
Event2020 Conference on Precision Electromagnetic Measurements, CPEM 2020 - Virtual, Denver, United States
Duration: 24 Aug 202028 Aug 2020

Conference

Conference2020 Conference on Precision Electromagnetic Measurements, CPEM 2020
Country/TerritoryUnited States
CityVirtual, Denver
Period24/08/2028/08/20

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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