A new idea for a solid-state microrefrigerator operating near 100 mK

We propose a new design for a solid-state microrefrigerator based on Normal-Insulator-Superconductor (NIS) tunnel junctions. These devices are a promising means of providing continuous refrigeration from 0.3 to 0.1 K without vibration or moving parts. Previously, the area and cooling power of NIS re...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2001-03, Vol.11 (1), p.639-640
Hauptverfasser:	Ullom, J.N., van den Berg, M.L., Labov, S.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cooling Electrodes Electronics Electrons Exact sciences and technology Josephson junctions Laboratories Refrigeration Refrigerators Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Solid state circuits Superconducting devices Superconducting films Temperature sensors
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Beschreibung
Zusammenfassung:	We propose a new design for a solid-state microrefrigerator based on Normal-Insulator-Superconductor (NIS) tunnel junctions. These devices are a promising means of providing continuous refrigeration from 0.3 to 0.1 K without vibration or moving parts. Previously, the area and cooling power of NIS refrigerators have been limited by heating of the superconducting electrode. This problem can be overcome by using a superconducting single crystal as both the substrate and superconducting electrode of the NIS junction. In this paper, we briefly explain the benefits of our new design and describe experimental progress towards building such a device.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/77.919425