Abstract
This paper reports on the results achieved within the European Metrology Research Programme project “Implementing the new kelvin—InK” in the low-temperature range below 1 K. One of the main objectives of the InK project was the determination of new thermodynamic temperature data for comparison with the Provisional Low Temperature Scale 2000 (PLTS-2000), to provide reliable \(T-T_{2000}\) values. To this end, we have investigated three different types of primary thermometers: the current sensing noise thermometer, the primary magnetic field fluctuation thermometer and the Coulomb blockade thermometer. Based on a thorough investigation of the thermometers, detailed uncertainty budgets were established for the measurement of thermodynamic temperatures. Direct comparison measurements between all thermometers demonstrate the agreement of temperature measurements within less than 1 %. Our new \(T-T_{2000}\) data confirm the correctness of the PLTS-2000 in the temperature range from 20 mK up to about 700 mK with relative combined standard uncertainties better than 0.62 %.
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Consultative Committee for Thermometry of the International Bureau of Weights and Measures.
References
J. Fischer, J. Ullrich, The new system of units. Nat. Phys. 12, 4–6 (2016)
B. Fellmuth et al., The kelvin redefinition and its mise en pratique. Philos. Trans. R. Soc. A 374, 20150037 (2016)
H. Preston-Thomas, The International Temperature Scale of 1990 (ITS-90). Metrologia 27, 3–10 (1990)
Comité International des Poids et Mesures (CIPM), The Provisional Low Temperature Scale from 0.9 mK to 1 K, PLTS-2000, Appendix to Recommendation C1 (2000). see http://www.bipm.org/utils/en/pdf/PLTS-2000 and http://www.bipm.org/en/committees/cc/cct/guide-plts2000.html
G. Machin, J. Engert, R.M. Gavioso, M. Sadli, E.R. Woolliams, The Euramet Metrology Research Programme project implementing the new kelvin (InK). Int. J. Thermophys. 35, 405 (2014)
R.L. Rusby, M. Durieux, A.L. Reesink, R.P. Hudson, G. Schuster, M. Kühne, W.E. Fogle, R.J. Soulen, E.D. Adams, The Provisional Low Temperature Scale from 0.9 mK to 1 K, PLTS-2000. J. Low Temp. Phys. 126(1/2), 633–642 (2002)
A. Shibahara, O. Hahtela, J. Engert, H. van der Vliet, L.V. Levitin, A. Casey, C.P. Lusher, J. Saunders, D. Drung, Th Schurig, Primary current-sensing noise thermometry in the millikelvin regime. Philos. Trans R. Soc. A 374, 20150054 (2016)
A. Kirste, J. Engert, A SQUID-based primary noise thermometer for low temperature metrology. Philos. Trans. R. Soc. A 374, 20150050 (2016)
O. Hahtela, et al., Traceable Coulomb blockade thermometry (in preparation)
A. Kirste, M. Regin, J. Engert, D. Drung, Th Schurig, A calculable and correlation-based magnetic field fluctuation thermometer. J. Phys.: Conf. Ser. 568, 032012 (2014)
J. Pekola, K.P. Hirvi, J.P. Kauppinen, M.A. Paalanen, Thermometry by arrays of tunnel junctions. Phys. Rev. Lett. 73, 2903 (1994)
M. Meschke, J.P. Pekola, F. Gay, R.E. Rapp, H. Godfrin, Electron thermalization in metallic islands probed by Coulomb blockade thermometry. J. Low Temp. Phys. 134(5/6), 1119 (2004)
D.I. Bradley, R.E. George, D. Gunnarson, R.P. Haley, H. Heikkinen, YuA Pashkin, J. Penttilä, J.R. Prance, M. Prunnila, L. Roschier, M. Sarsby, Nanoelectronic primary thermometry below 4 mK. Nat. Commun. 7, 10455 (2016)
M. Prunnila, M. Meschke, D. Gunnarson, S. Enouz-Vedrenne, J.M. Kivioja, J.P. Pekola, Ex situ tunnel junction process technique characterized by Coulomb blockade thermometry. J. Vac. Sci. Technol. B28(5), 1026 (2010)
O. Hahtela, M. Meschke, A. Savin, D. Gunnarson, M. Prunnila, J.S. Penttilä, L. Roschier, M. Heinonen, A. Manninen, J.P. Pekola, Investigation of uncertainty components in Coulomb blockade thermometry. AIP Conf. Proc. 1552, 142 (2013)
Hightech Development Leiden, P.O. Box 691, 2300 AR Leiden, The Netherlands. https://hdleiden.home.xs4all.nl/srd1000/
Magnicon GmbH, Barkhausenweg 11, 22339 Hamburg, Germany. http://www.magnicon.com
A.B. Zorin, The thermocoax cable as the microwave frequency filter for single electron circuits. Rev. Sci. Instrum. 66, 4296 (1995)
R. Kacker, R. Datla, A. Parr, Combined result and associated uncertainty from interlaboratory evaluations based on the ISO Guide. Metrologia 39, 279 (2002)
http://www.ptb.de/cms/en/ptb/fachabteilungen/abt7/fb-72.html
Acknowledgments
The research was carried out within the EURAMET project “InK—Implementing the new kelvin” (JRP number: SIB01) [5]. Funding is gratefully acknowledged from the European Community’s 7th Framework Programme, ERA-NET Plus, Grant Agreement No. 217257. J. E. and A. K. thank D. Heyer, M. Fleischer-Bartsch, M. Regin and C. Aßmann for technical support and assistance during the experiments. The SQUID sensors were kindly provided by the PTB department “Cryophysics and Spectrometry” [20]. J. E. and A. K. are also deeply grateful to the PTBs Berlin Institute workshop for fabricating the high-precision main copper bodies for the pMFFTs.
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Selected Papers of the 13th International Symposium on Temperature, Humidity, Moisture and Thermal Measurements in Industry and Science.
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Engert, J., Kirste, A., Shibahara, A. et al. New Evaluation of \(T-T_{2000}\) from 0.02 K to 1 K by Independent Thermodynamic Methods . Int J Thermophys 37, 125 (2016). https://doi.org/10.1007/s10765-016-2123-4
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DOI: https://doi.org/10.1007/s10765-016-2123-4