Magnetic imaging of pearl vortices in artificially layered (Ba(0.9)Nd(0.1)CuO(2+x))(m)/(CaCuO(2))(n) systems (Articolo in rivista)

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Label
  • Magnetic imaging of pearl vortices in artificially layered (Ba(0.9)Nd(0.1)CuO(2+x))(m)/(CaCuO(2))(n) systems (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.92.157006 (literal)
Alternative label
  • F.Tafuri; J.R.Kirtley; P.G.Medaglia; P.Orgiani; G.Balestrino (2004)
    Magnetic imaging of pearl vortices in artificially layered (Ba(0.9)Nd(0.1)CuO(2+x))(m)/(CaCuO(2))(n) systems
    in Physical review letters (Print); American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F.Tafuri; J.R.Kirtley; P.G.Medaglia; P.Orgiani; G.Balestrino (literal)
Pagina inizio
  • 157006-1 (literal)
Pagina fine
  • 157006-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/abstract/PRL/v92/i15/e157006 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 15 (literal)
Rivista
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  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Seconda Univ Napoli, Dipartimento Ingn Informaz, INFM Coherentia, Aversa, CE, Italy IBM Corp, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA Univ Roma Tor Vergata, Dipartimento Ingn Meccan, INFM Coherentia, Rome, Italy (literal)
Titolo
  • Magnetic imaging of pearl vortices in artificially layered (Ba(0.9)Nd(0.1)CuO(2+x))(m)/(CaCuO(2))(n) systems (literal)
Abstract
  • We have used scanning SQUID magnetometry to image vortices in ultrathin (Ba(0.9)Nd(0.1)CuO(2+x))(m)/(CaCuO(2))(n) high temperature superconductor samples, with as few as three superconducting CuO(2) planes. The Pearl lengths (Lambda=2lambda(L)(2)/d, lambda(L) the London penetration depth, d the superconducting film thickness) in these samples, as determined by fits to the vortex images, agree with those by local susceptibility measurements, and can be as long as 1 mm. The in-plane penetration depths lambda(ab) inferred from the Pearl lengths are longer than many bulk cuprates with comparable critical temperatures. We speculate on the causes of the long penetration depths, and on the possibility of exploiting the unique properties of these superconductors for basic experiments. (literal)
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