Coulomb blockade thermometer: Tests and instrumentation

J. P. Kauppinen; K. T. Loberg; A. J. Manninen; J.P. Pekola; R. A. Voutilainen

doi:10.1063/1.1149265

Coulomb blockade thermometer: Tests and instrumentation

J. P. Kauppinen^*, K. T. Loberg, A. J. Manninen, J.P. Pekola, R. A. Voutilainen

^*Corresponding author for this work

Not published at VTT

Research output: Contribution to journal › Article › Scientific › peer-review

37 Citations (Scopus)

Abstract

Coulomb blockade thermometry (CBT) provides a simple method for absolute thermometry in every day laboratory use at cryogenic temperatures. CBT has been found insensitive to even high magnetic fields. We review the principles and the operation of CBT and the fabrication of the sensors, and present new data on radiation hardness and stability of the sensors. We describe the instrumentation of CBT in detail. We have developed two signal conditioning units for CBT measurements. One is a modified alternating current resistance bridge, a versatile laboratory instrument operating with a PC computer, and the other one is a simple stand-alone instrument for direct temperature reading. Test results on their performance are also presented. Both prototypes have a short-term reproducibility of 0.3% or better in temperature measurement.

Original language	English
Pages (from-to)	4166-4175
Number of pages	10
Journal	Review of Scientific Instruments
Volume	69
Issue number	12
DOIs	https://doi.org/10.1063/1.1149265
Publication status	Published - Dec 1998
MoE publication type	A1 Journal article-refereed

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10.1063/1.1149265

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abstract = "Coulomb blockade thermometry (CBT) provides a simple method for absolute thermometry in every day laboratory use at cryogenic temperatures. CBT has been found insensitive to even high magnetic fields. We review the principles and the operation of CBT and the fabrication of the sensors, and present new data on radiation hardness and stability of the sensors. We describe the instrumentation of CBT in detail. We have developed two signal conditioning units for CBT measurements. One is a modified alternating current resistance bridge, a versatile laboratory instrument operating with a PC computer, and the other one is a simple stand-alone instrument for direct temperature reading. Test results on their performance are also presented. Both prototypes have a short-term reproducibility of 0.3% or better in temperature measurement.",

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AU - Kauppinen, J. P.

AU - Loberg, K. T.

AU - Manninen, A. J.

AU - Pekola, J.P.

AU - Voutilainen, R. A.

PY - 1998/12

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N2 - Coulomb blockade thermometry (CBT) provides a simple method for absolute thermometry in every day laboratory use at cryogenic temperatures. CBT has been found insensitive to even high magnetic fields. We review the principles and the operation of CBT and the fabrication of the sensors, and present new data on radiation hardness and stability of the sensors. We describe the instrumentation of CBT in detail. We have developed two signal conditioning units for CBT measurements. One is a modified alternating current resistance bridge, a versatile laboratory instrument operating with a PC computer, and the other one is a simple stand-alone instrument for direct temperature reading. Test results on their performance are also presented. Both prototypes have a short-term reproducibility of 0.3% or better in temperature measurement.

AB - Coulomb blockade thermometry (CBT) provides a simple method for absolute thermometry in every day laboratory use at cryogenic temperatures. CBT has been found insensitive to even high magnetic fields. We review the principles and the operation of CBT and the fabrication of the sensors, and present new data on radiation hardness and stability of the sensors. We describe the instrumentation of CBT in detail. We have developed two signal conditioning units for CBT measurements. One is a modified alternating current resistance bridge, a versatile laboratory instrument operating with a PC computer, and the other one is a simple stand-alone instrument for direct temperature reading. Test results on their performance are also presented. Both prototypes have a short-term reproducibility of 0.3% or better in temperature measurement.

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Coulomb blockade thermometer: Tests and instrumentation

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