Scanning micro-x-ray diffraction unveils the distribution of oxygen chain nanoscale puddles in YBa_1101Cu_Articolo in rivistaO_{6.33} (Articolo in rivista)

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  • Scanning micro-x-ray diffraction unveils the distribution of oxygen chain nanoscale puddles in YBa_1101Cu_Articolo in rivistaO_{6.33} (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.87.014517 (literal)
Alternative label
  • Gaetano Campi,1 Alessandro Ricci,2 Nicola Poccia,3 Luisa Barba,4 Gianmichele Arrighetti,4 Manfred Burghammer,5 Alessandra Stella Caporale,6 and Antonio Bianconi1,6,7 (2013)
    Scanning micro-x-ray diffraction unveils the distribution of oxygen chain nanoscale puddles in YBa_{2}Cu_{3}O_{6.33}
    in Physical review. B, Condensed matter and materials physics; The American Physical Society, College Park, MD 20740-3844 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gaetano Campi,1 Alessandro Ricci,2 Nicola Poccia,3 Luisa Barba,4 Gianmichele Arrighetti,4 Manfred Burghammer,5 Alessandra Stella Caporale,6 and Antonio Bianconi1,6,7 (literal)
Pagina inizio
  • 014517 - 1 (literal)
Pagina fine
  • 014517 - 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.87.014517 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
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  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Institute of Crystallography, CNR, via Salaria Km 29.300, Monterotondo Roma, 00015, Italy 2 Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg, Germany 3 MESA+ Institute for Nanotechnology, University of Twente, P. O. Box 217, 7500AE Enschede, Netherlands 4 Elettra Sincrotrone Trieste. Strada Statale 14 - km 163, 5, AREA Science Park, 34149 Basovizza, Trieste, Italy 5 European Synchrotron Radiation Facility, B. P. 220, F-38043 Grenoble Cedex, France 6 RICMASS Rome International Center for Materials Science Superstripes, via dei Sabelli 119A, 00185 Roma, Italy 7 Department of Physics, Sapienza University of Rome, 00185 Rome, Italy (literal)
Titolo
  • Scanning micro-x-ray diffraction unveils the distribution of oxygen chain nanoscale puddles in YBa_{2}Cu_{3}O_{6.33} (literal)
Abstract
  • Oxygen chain fragments are known to appear at the insulator-to-superconductor transition in YBa2Cu3O6+y . However, the self-organization and the size distribution of oxygen chain fragments are not known. Here, we seek to fill this gap, using scanning micro-x-ray diffraction, which is an imaging method based on advances in focusing a synchrotron radiation beam. This approach allows us to probe both real-space and k-space of high-quality YBa2Cu3O6.33 single crystals with Tc = 7 K. We report compelling evidence for nanoscale striped puddles, with Ortho-II structure, made of chain fragments in the basal Cu(1) plane with local oxygen concentration y ? 0.5. The size of the Ortho-II puddles spans a range between 2 and 9 nm. The real-space imaging of Ortho-II puddles granular network shows that superconductivity, at a low hole-doping regime, occurs in a network of nanoscale oxygen ordered patches, interspersed with oxygen depleted regions. The manipulation by thermal treatments of the striped Ortho-II puddles has been investigated focusing on the spontaneous symmetry breaking near the order-to-disorder phase transition at T0 = 350 K. (literal)
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