Development of an Inductive NIS Thermometer
Geng, Z., Kinnunen, K., & Maasilta, I. (2012). Development of an Inductive NIS Thermometer. In 26th International Conference on Low Temperature Physics (LT26) 10–17 August 2011, Beijing, China (pp. 52005). Institute of Physics. Journal of Physics: Conference Series, 400. https://doi.org/10.1088/1742-6596/400/5/052005
Published inJournal of Physics: Conference Series
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We have studied an inductive readout for normal metal-insulator-superconductor (NIS) tunnel junctions by using on-chip planar inductors and a DC SQUID (superconducting quantum interference device) to develop a sensitive and fast thermometer for studies of nanoscale heat conduction and bolometry. Our initial results show the feasibility of the concept, with a good sensitivity for temperatures below 1 K for aluminum as the superconductor when voltage biased close to the superconductor energy gap.