Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x (Articolo in rivista)

Type
Label
  • Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1126/science.1223532 (literal)
Alternative label
  • G. Ghiringhelli1,*, M. Le Tacon2, M. Minola1, S. Blanco-Canosa2, C. Mazzoli1, N. B. Brookes3, G. M. De Luca4, A. Frano2,5, D. G. Hawthorn6, F. He7, T. Loew2, M. Moretti Sala3, D. C. Peets2, M. Salluzzo4, E. Schierle5, R. Sutarto7,8, G. A. Sawatzky8, E. Weschke5, B. Keimer2,*, L. Braicovich1 (2012)
    Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x
    in Science (N. Y., N.Y.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Ghiringhelli1,*, M. Le Tacon2, M. Minola1, S. Blanco-Canosa2, C. Mazzoli1, N. B. Brookes3, G. M. De Luca4, A. Frano2,5, D. G. Hawthorn6, F. He7, T. Loew2, M. Moretti Sala3, D. C. Peets2, M. Salluzzo4, E. Schierle5, R. Sutarto7,8, G. A. Sawatzky8, E. Weschke5, B. Keimer2,*, L. Braicovich1 (literal)
Pagina inizio
  • 821 (literal)
Pagina fine
  • 825 (literal)
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  • 337 10.1126/science.1223532 (literal)
Rivista
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  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6096 (literal)
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  • 1CNR-SPIN, Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia, and Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, I-20133 Milano, Italy. 2Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, D-70569 Stuttgart, Germany. 3European Synchrotron Radiation Facility (ESRF), BP 220, F-38043 Grenoble Cedex, France. 4CNR-SPIN, Complesso Monte Sant 'Angelo-Via Cinthia, I-80126 Napoli, Italy. 5Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Straße 15, D-12489 Berlin, Germany. 6Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada. 7Canadian Light Source, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0X4, Canada. 8Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada. (literal)
Titolo
  • Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x (literal)
Abstract
  • The concept that superconductivity competes with other orders in cuprate superconductors has become increasingly apparent, but obtaining direct evidence with bulk-sensitive probes is challenging. We have used resonant soft x-ray scattering to identify two-dimensional charge fluctuations with an incommensurate periodicity of ~3.2 lattice units in the copper-oxide planes of the superconductors (Y,Nd)Ba2Cu3O6+x, with hole concentrations of 0.09 to 0.13 per planar Cu ion. The intensity and correlation length of the fluctuation signal increase strongly upon cooling down to the superconducting transition temperature (Tc); further cooling below Tc abruptly reverses the divergence of the charge correlations. In combination with earlier observations of a large gap in the spin excitation spectrum, these data indicate an incipient charge density wave instability that competes with superconductivity. (literal)
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