Superconducting and Structural Properties of Nb/PdNi/Nb Trilayers (Articolo in rivista)

Type
Label
  • Superconducting and Structural Properties of Nb/PdNi/Nb Trilayers (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s10948-012-2057-4 (literal)
Alternative label
  • N. Pompeo 1, K. Torokhtii 1, E. Silva 1 C. Meneghini 2,3, S. Mobilio 2,3, R. Loria 2, C. Cirillo 4, E. A. Ilyina 4, C. Attanasio 4, S. Sarti 5 (2013)
    Superconducting and Structural Properties of Nb/PdNi/Nb Trilayers
    in Journal of superconductivity and novel magnetism
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • N. Pompeo 1, K. Torokhtii 1, E. Silva 1 C. Meneghini 2,3, S. Mobilio 2,3, R. Loria 2, C. Cirillo 4, E. A. Ilyina 4, C. Attanasio 4, S. Sarti 5 (literal)
Pagina inizio
  • 1939 (literal)
Pagina fine
  • 1943 (literal)
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  • 26 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Dipartimento di Fisica \E. Amaldi\" and Unita' CNISM, Universita' Roma Tre, Via della Vasca Navale 84, 00146 Roma, Italy 2 Dipartimento di Fisica \E. Amaldi\" Universita Roma Tre, Via della Vasca Navale 84, 00146 Roma, Italy 3 CNR-OGG Grenoble, c/o ESRF (Grenoble, France) 4 CNR-SPIN and Dipartimento di Fisica \E. R. Caianiello\", Universita' di Salerno, 84084 Fisciano (SA), Italy 5 Dipartimento di Fisica, Universita' \La Sapienza\", 00185 Roma, Italy (literal)
Titolo
  • Superconducting and Structural Properties of Nb/PdNi/Nb Trilayers (literal)
Abstract
  • The superconducting and structural properties of S/F/S (Superconductor/Ferromagnet/Superconductor) heterostructures have been studied by means of microwave measurements (1-20 GHz) and x-ray absorption fine structure (XAFS) spectroscopy. Nb/PdNi/Nb trilayers have been studied as a function of F layer thickness. With respect to pure Nb, XAFS analysis shows that the heterostructures exhibit larger structural disorder in the S layers. Microwave measurements show evidence for a progressively weaker vortex pinning with increasing F thickness. However, no clear correlation is found with the local disorder in Nb: the weakest pinning is not in the most disordered trilayer. Therefore, the structural disorder in the superconducting material cannot explain on its own the changes in vortex pinning. We argue that the F layer acts on the superconducting state itself. We propose possible explanations for the observed behavior. (literal)
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