English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/172761
Share/Impact:
Statistics
logo share SHARE   Add this article to your Mendeley library MendeleyBASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Title

Large current-induced broadening of the superconducting transition in Mo/Au transition edge sensors

AuthorsFàbrega, Lourdes ; Camón, Agustín; Pobes, Carlos; Strichovanec, Pavel; González-Arrabal, Raquel
KeywordsTransition edge sensors
Superconducting transition
Vortex motion
Radiation detectors
Issue Date28-Nov-2018
PublisherInstitute of Physics Publishing
CitationSuperconductor Science and Technology 32(1): 015006 (2019)
AbstractThe R(T, I) shape of the superconducting transition in transition edge sensors (TESs) is of crucial importance to determine their ultimate performance. This paper reports a study of the temperature and current dependences of the transition of Mo/Au TESs, focused on the low resistance region, where these devices preferentially operate. A large broadening of the transition is observed when increasing the applied current. An empirical analytic expression for R(T, I) is found, which describes the transition of devices with different critical temperatures, from R = 0 up to at least 30% Rn (in some cases nearly 80% Rn). Several mechanisms for this behaviour are considered; results show that a current assisted vortex pair unbinding mechanism (Berezinskii–Kosterlitz– Thouless transition) could be the possible origin for this behaviour. Finally, the consequences of the current-induced transition broadening for TES properties and operation are outlined.
Publisher version (URL)http://dx.doi.org/10.1088/1361-6668/aaebf4
URIhttp://hdl.handle.net/10261/172761
ISSN0953-2048
Appears in Collections:(ICMAB) Artículos
Files in This Item:
File Description SizeFormat 
Fabrega_SupSciTech_2018_postprint.pdf Embargoed until November 28, 20191,47 MBAdobe PDFThumbnail
View/Open    Request a copy
Show full item record
Review this work
 


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.