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Ultra-sensitive cryogenic thermometer based on an array of the SIN tunnel junctions

Leonid Kuzmin (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik)
Physica C-Superconductivity and Its Applications (0921-4534). Vol. 468 (2008), 3, p. 142-146.
[Artikel, refereegranskad vetenskaplig]

A novel concept of an ultra-sensitive thermometer based on a series array of superconductor-insulator-normal (SIN) tunnel junctions has been proposed. The array helps to improve matching with an amplifier proportionally to the number of junctions. There is no fundamental limit for total noise and the main limitation is electron-phonon noise of the normal island reverse proportional to volume of the normal metal. (c) 2007 Elsevier B.V. All rights reserved.

Nyckelord: cryogenic thermometer, SIN tunnel junction, array of junctions, temperature resolution, electron-phonon noise, noise equivalent, temperature



Denna post skapades 2009-10-20.
CPL Pubid: 100387

 

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Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik

Ämnesområden

Fysik

Chalmers infrastruktur