Occurrence of a high-temperature superconducting phase in (CaCuO2)n/(SrTiO3)m superlattices (Articolo in rivista)

Type
Label
  • Occurrence of a high-temperature superconducting phase in (CaCuO2)n/(SrTiO3)m superlattices (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.86.134524 (literal)
Alternative label
  • Di Castro, D. and Salvato, M. and Tebano, A. and Innocenti, D. and Aruta, C. and Prellier, W. and Lebedev, O.I. and Ottaviani, I. and Brookes, N.B. and Minola, M. and Moretti Sala, M. and Mazzoli, C. and Medaglia, P.G. and Ghiringhelli, G. and Braicovich, L. and Cirillo, M. and Balestrino, G. (2012)
    Occurrence of a high-temperature superconducting phase in (CaCuO2)n/(SrTiO3)m superlattices
    in Physical review. B, Condensed matter and materials physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Di Castro, D. and Salvato, M. and Tebano, A. and Innocenti, D. and Aruta, C. and Prellier, W. and Lebedev, O.I. and Ottaviani, I. and Brookes, N.B. and Minola, M. and Moretti Sala, M. and Mazzoli, C. and Medaglia, P.G. and Ghiringhelli, G. and Braicovich, L. and Cirillo, M. and Balestrino, G. (literal)
Pagina inizio
  • 134524 (literal)
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  • cited By (since 1996)4 (literal)
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  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84867778250&partnerID=40&md5=a621e873b1afbb7d2fe74ea9d9e09568 (literal)
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  • 86 (literal)
Rivista
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  • 7 (literal)
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  • 13 (literal)
Note
  • Scopu (literal)
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  • CNR-SPIN and Dipartimento di Ingegneria Civile e Ingegneria Informatica, Universit`a di Roma Tor Vergata, Via del Politecnico 1, I-00133 Roma, Italy Dipartimento di Fisica and MINAS Lab., Universit`a di Roma Tor Vergata, I-00133 Roma, Italy CNR-SPIN, Dipartimento di Scienze Fisiche, Via Cintia, Monte S. Angelo, 80126 Napoli, Italy Laboratoire CRISMAT, UMR 6508, CNRS-ENSICAEN 6Bd Marechal Juin, 14050 Caen, France European Synchrotron Radiation Facility, 6 rue Jules Horowitz, BP 220, 38043 Grenoble, Cedex 9, France CNISM and Dipartimento di Fisica, Politecnico di Milano, I-20133, Italy CNR-SPIN and Dipartimento di Ingegneria Industriale, Universit`a di Roma Tor Vergata, Via del Politecnico 1, I-00133 Roma, Italy (literal)
Titolo
  • Occurrence of a high-temperature superconducting phase in (CaCuO2)n/(SrTiO3)m superlattices (literal)
Abstract
  • We report the occurrence of superconductivity, with maximum T-c = 40 K, in superlattices (SLs) based on two insulating oxides, namely CaCuO2 and SrTiO3. In these (CaCuO2)(n)/(SrTiO3)(m) SLs, the CuO2 planes belong only to CaCuO2 block, which is an antiferromagnetic insulator. Superconductivity, confined within a few unit cells at the CaCuO2/SrTiO3 interface, shows up only when the SLs are grown in a highly oxidizing atmosphere, because of extra oxygen ions entering at the interfaces. The hole doping is obtained by charge transfer from the interface layers, which thus act as charge reservoir. (literal)
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