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Very low resistance Al/Cu joints for use at cryogenic temperatures
Sébastien Triqueneaux, James Butterworth, Johannes Goupy +4
We present two different techniques for achieving low resistance (20 n) contacts between copper and aluminium at cryogenic temperatures. The best method is based on gold…
Design Evaluation of Serial and Parallel sub-mK Continuous Nuclear Demagnetization Refrigerators
D. Schmoranzer, J. Butterworth, S. Triqueneaux +2
We present the evaluation of two different design configurations of a two-stage PrNi continuous nuclear demagnetization refrigerator. Serial and parallel configurations of the…
A 10 mK hermetic cell for eliminating parasitic heating in cryogen-free dilution refrigerators
David Schmoranzer, Sumit Kumar, Sébastien Triqueneaux +5
Cryogen-free dilution refrigerators generally simplify low temperature research but some types of samples, including superconducting qubits and other nanoelectronic devices, are af…
Thermal coupling of silicon oscillators in cryogen-free dilution refrigerators
David Schmoranzer, Sumit Kumar, Annina Luck +5
Silicon double paddle osillators (DPO) have been successfully used for measuring the elastic properties of amorphous films down to 10 mK (see for example \cite{Fefferman16,Liu14}).…
Development of a sub-mK Continuous Nuclear Demagnetization Refrigerator
David Schmoranzer, Rasul Gazizulin, Sébastien Triqueneaux +2
We present the development of a two-stage PrNi continuous demagnetization refrigerator at the Institut Néel/CNRS and numerical simulations of its performance. The thermal model…