High sensitive nano-SQUID sensors based on niobium Dayem bridges (Articolo in rivista)

Type
Label
  • High sensitive nano-SQUID sensors based on niobium Dayem bridges (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/TASC.2009.2019198 (literal)
Alternative label
  • Vettoliere A., Granata C., Esposito E., Russo R., Petti L., Ruggiero B., and Russo M. (2009)
    High sensitive nano-SQUID sensors based on niobium Dayem bridges
    in IEEE transactions on applied superconductivity (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vettoliere A., Granata C., Esposito E., Russo R., Petti L., Ruggiero B., and Russo M. (literal)
Pagina inizio
  • 702 (literal)
Pagina fine
  • 705 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di cibernetica \"Edoardo Caianiello\" (literal)
Titolo
  • High sensitive nano-SQUID sensors based on niobium Dayem bridges (literal)
Abstract
  • Measurements and noise performances of integrated nano superconducting quantum interference devices (nano-SQUIDs) are presented. The nano-sensors are based on nanometric niobium constrictions (Dayem bridges) inserted in a square loop having a side length of 200 nm. Integrated micrometric niobium coils located close to the sensor allow both an easy tuning/calibration and the optimization of the working point. Improved measurements of voltage-flux characteristic, flux to voltage transfer factor and noise performances are reported. In small signal mode, the sensors have shown a magnetic flux noise spectral density of 1.5 mu Phi(0)/Hz(1/2). Furthermore, preliminary measurements concerning the critical current vs. temperature dependence and the switching probability of the critical current are shown. (literal)
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