Accurate Coulomb Blockade Thermometry up to 60 Kelvin

Abstract

We demonstrate experimentally a precise realization of Coulomb Blockade Thermometry (CBT) working at temperatures up to 60 K. Advances in nano fabrication methods using electron beam lithography allow us to fabricate a uniform arrays of sufficiently small tunnel junctions to guarantee an overall temperature reading uncertainty of about 1\%

7 pages, 7 figures

References in corpus (4)

• Nanoelectronic thermometers optimised for sub-10 millikelvin operation
• Silver-Epoxy Microwave Filters and Thermalizers for Millikelvin Experiments
• Current Sensing Noise Thermometry: A fast practical solution to low temperature measurement
• Primary tunnel junction thermometry

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• Coulomb blockade thermometry beyond the universal regime
• Zero-average bias bidirectional single-electron current generation in a hybrid turnstile
• Influence of device non-uniformities on the accuracy of Coulomb blockade thermometry
• Suppression of back-tunnelling events in hybrid single-electron turnstiles by source-drain bias modulation
• Coulomb blockade thermometry based nanocalorimetry
• Coulomb Blockade Thermometry on a Wide Temperature Range
• Observing temperature fluctuations of a mesoscopic electron system