X-Ray Diffraction Observations of a Charge-Density-Wave Order in Superconducting Ortho-II YBa2Cu3O6.54 Single Crystals in Zero Magnetic Field

E. Blackburn, J. Chang, M. Hücker, A. T. Holmes, N. B. Christensen, Ruixing Liang, D. A. Bonn, W. N. Hardy, U. Rütt, O. Gutowski, M. v. Zimmermann, E. M. Forgan, and S. M. Hayden
Phys. Rev. Lett. 110, 137004 – Published 28 March 2013

Abstract

X-ray diffraction measurements show that the high-temperature superconductor YBa2Cu3O6.54, with ortho-II oxygen order, has charge-density-wave order in the absence of an applied magnetic field. The dominant wave vector of the charge density wave is qCDW=(0,0.328(2),0.5), with the in-plane component parallel to the b axis (chain direction). It has a similar incommensurability to that observed in ortho-VIII and ortho-III samples, which have different dopings and oxygen orderings. Our results for ortho-II contrast with recent high-field NMR measurements, which suggest a commensurate wave vector along the a axis. We discuss the relationship between spin and charge correlations in YBa2Cu3Oy and recent high-field quantum oscillation, NMR, and ultrasound experiments.

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  • Received 16 December 2012

DOI:https://doi.org/10.1103/PhysRevLett.110.137004

© 2013 American Physical Society

Authors & Affiliations

E. Blackburn1, J. Chang2,3,*, M. Hücker4, A. T. Holmes1, N. B. Christensen5, Ruixing Liang6,7, D. A. Bonn6,7, W. N. Hardy6,7, U. Rütt8, O. Gutowski8, M. v. Zimmermann8, E. M. Forgan1, and S. M. Hayden9

  • 1School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom
  • 2Institut de la matière complexe, Ecole Polytechnique Féderale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
  • 3Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
  • 4Condensed Matter Physics & Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
  • 5Department of Physics, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
  • 6Department of Physics & Astronomy, University of British Columbia, Vancouver, Canada V6T 1Z1
  • 7Canadian Institute for Advanced Research, Toronto, Canada M5G 1Z8
  • 8Deutsches Elektronen-Synchrotron DESY, 22603 Hamburg, Germany
  • 9H. H. Wills Physics Laboratory, University of Bristol, Bristol BS8 1TL, United Kingdom

  • *johan.chang@epfl.ch

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Vol. 110, Iss. 13 — 29 March 2013

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