Andreev Current for low temperature thermometry
arXiv:1503.03972 · doi:10.1063/1.4919892
Abstract
We demonstrate experimentally that disorder enhanced Andreev current in a tunnel junction between a normal metal and a superconductor provides a method to measure electronic temperature, specifically at temperatures below 200 mK when aluminium is used. This Andreev thermometer has some advantages over conventional quasiparticle thermometers: for instance, it does not conduct heat and its reading does not saturate until at lower temperatures. Another merit is that the responsivity is constant over a wide temperature range.
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Cited by in corpus (7)
- Ferromagnetic insulator-based superconducting junctions as sensitive electron thermometers
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- Andreev Current for low temperature thermometry
- Applications of Superconductor-Normal Metal Interfaces
- Efficient electronic cooling above 2 K by niobium-based superconducting tunnel junctions
- Superconducting tunnel junction fabrication on three-dimensional topography via direct laser writing
- Photonic Negative Differential Thermal Conductance Enabled by NIS Junctions