First critical field measurements of superconducting films by third harmonic analysis (Articolo in rivista)

Type
Label
  • First critical field measurements of superconducting films by third harmonic analysis (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3211321 (literal)
Alternative label
  • G. Lamura; M. Aurino; A. Andreone; J.-C. Villégier 2 (2009)
    First critical field measurements of superconducting films by third harmonic analysis
    in Journal of applied physics (online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Lamura; M. Aurino; A. Andreone; J.-C. Villégier 2 (literal)
Pagina inizio
  • 053903 (literal)
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  • Selezionato da \"Virtual Journal of Applications of Superconductivity\" 15/09/2009 (literal)
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  • 106 (literal)
Rivista
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  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Department of Physics and CNR-INFM Coherentia, University of Naples \"Federico II\", I-80125 Napoli, Italy CEA, Institut Nanosciences et Cryogenie/SPSMS, 17 rue des Martyrs, 38054 Grenoble, France (literal)
Titolo
  • First critical field measurements of superconducting films by third harmonic analysis (literal)
Abstract
  • The temperature behavior of the first critical field ?B C1 ? of superconducting thin film samples can be determined with high accuracy using an inductive and contactless method. Driving a sinusoidal current in a single coil placed in front of the sample, a nonzero third harmonic voltage V 3 is induced in it when Abrikosov vortices enter the sample. Conditions to be satisfied for the quantitative evaluation of B C1 using this technique are detailed. As a validation test, different type II superconductors ?Nb, NbN, MgB 2 , and Y 1 Ba 2 Cu 3 O 7-d under the form of thin films? have been measured. The comparison between experimental results, data presented in literature, and theoretical predictions is presented and discussed. (literal)
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