Andreev current for low temperature thermometry

Faivre, T.; Golubev, Dmitry; Pekola, Jukka

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Andreev current for low temperature thermometry

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Title:	Andreev current for low temperature thermometry
Author(s):	Faivre, T. ; Golubev, Dmitry ; Pekola, Jukka
Date:	2015
Language:	en
Pages:	4 1-4
Department:	Department of Applied Physics
Series:	Applied Physics Letters, Volume 106, issue 18
ISSN:	0003-6951 1077-3118
DOI-number:	10.1063/1.4919892
Subject:	114 Physical sciences, 221 Nanotechnology, 214 Mechanical engineering, 218 Environmental engineering
Keywords:	114 Physical sciences, 221 Nanotechnology, 214 Mechanical engineering, 218 Environmental engineering
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Citation: Faivre , T , Golubev , D & Pekola , J 2015 , ' Andreev current for low temperature thermometry ' , Applied Physics Letters , vol. 106 , no. 18 , 182602 , pp. 1-4 . https://doi.org/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 aluminum 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.

Description: VK: Low Temperature Laboratory
Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-201609234321 Email this Export to RefWorks QR Code Print BibTex Tweet