Experimental evidence of s-wave superconductivity in bulk CaC6 (Articolo in rivista)

Type
Label
  • Experimental evidence of s-wave superconductivity in bulk CaC6 (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.96.107008 (literal)
Alternative label
  • Lamura, G; Aurino, M; Cifariello, G; Di Gennaro, E; Andreone, A; Emery, N; Herold, C; Mareche, JF; Lagrange, P (2006)
    Experimental evidence of s-wave superconductivity in bulk CaC6
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lamura, G; Aurino, M; Cifariello, G; Di Gennaro, E; Andreone, A; Emery, N; Herold, C; Mareche, JF; Lagrange, P (literal)
Pagina inizio
  • 107008 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 96 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Naples Federico II, CNR, INFM Coherencia, I-80125 Naples, Italy; Univ Naples Federico II, Dept Phys, I-80125 Naples, Italy; Univ Nancy 1, Lab Chim Solide Mineral, UMR 7555, F-54506 Vandoeuvre Les Nancy, France (literal)
Titolo
  • Experimental evidence of s-wave superconductivity in bulk CaC6 (literal)
Abstract
  • The temperature dependence of the in-plane magnetic penetration depth, lambda(ab)(T), has been measured in a c-axis oriented polycrystalline CaC6 bulk sample using a high-resolution mutual inductance technique. A clear exponential behavior of lambda(ab)(T) has been observed at low temperatures, strongly suggesting isotropic s-wave pairing. Data fit using the standard BCS theory yields lambda(ab)(0)=(720 +/- 80) A and Delta(0)=(1.79 +/- 0.08) meV. The ratio 2 Delta(0)/k(B)T(c)=(3.6 +/- 0.2) gives indication for a weakly coupled superconductor. (literal)
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