Evidence of local structural transition during oxidation process of RBCO epitaxial films using time resolved reflexafs measurements (Articolo in rivista)

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  • Evidence of local structural transition during oxidation process of RBCO epitaxial films using time resolved reflexafs measurements (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1140/epjb/e2002-00179-8 (literal)
Alternative label
  • SALLUZZO, M and NATALI, F and ARUTA, C and MAGLIONE, MG and RICCI, F and KOLLER, E and FISCHER, O and SAINI, NL (2002)
    Evidence of local structural transition during oxidation process of RBCO epitaxial films using time resolved reflexafs measurements
    in The European physical journal. B, Condensed matter physics (Print); EDP Sciences, Les Ulis Cedex (Francia)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • SALLUZZO, M and NATALI, F and ARUTA, C and MAGLIONE, MG and RICCI, F and KOLLER, E and FISCHER, O and SAINI, NL (literal)
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  • 467 (literal)
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  • 472 (literal)
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  • http://link.springer.com/article/10.1140%2Fepjb%2Fe2002-00179-8 (literal)
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  • 27 (literal)
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  • 6 (literal)
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  • 4 (literal)
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  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
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  • M. Salluzzo1,a, F. Natali2,3, C. Aruta1,4, M.G. Maglione1, F. Ricci1, E. Koller5, Ø. Fischer5, and N.L. Saini6 1 INFM and Dipartimento di Scienze Fisiche, Università di Napoli \"Federico II\", Piazzale Tecchio 80, 80125 Napoli, Italy 2 Operative Group in Grenoble - IN13, BP 156x, 38042 Grenoble Cedex, France 3 European Synchrotron Radiation Facility, BP 220, 38043 Grenoble Cedex, France 4 INFM-Università di Roma \"Tor Vergata\", Dipartimento di Scienze e Tecnologie Fisiche ed Energetiche, Via di Tor Vergata s.n.c., 00133 Roma, Italy 5 Dèpartement de Physique de la Matiére Condensée, Université de Genève, 1211 Genève 4, Switzerland 6 Dipartimento di Fisica, Università di Roma \"La Sapienza\", P.le Aldo Moro 2, 00185 Roma, Italy (literal)
Titolo
  • Evidence of local structural transition during oxidation process of RBCO epitaxial films using time resolved reflexafs measurements (literal)
Abstract
  • We report results of a time resolved X-ray Absorption Spectroscopy (XAS) experiment on the oxidation process of epitaxial Y-1(Nd0.05Ba1.95)Cu3Ox superconducting thin films. For the first time Cu K-edge XAS technique has been used to explore local structural changes around the Cu ions during the oxidation process of a high critical temperature superconducting film. The results show that during the oxygenation of a tetragonal Y-1(Nd0.05Ba1.95)Cu3Ox additional local transitions appear in the orthorhombic I phase, which are not linked to long range order transformations as shown by in situ X-ray diffraction experiment. New questions concerning the dynamic microscopic process leading to the oxygenation and eventually to superconductivity of the complex R1+xBa2-xCu3Ox (R = Y or rare earth) compounds arose from these results. (literal)
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