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The microscopic structure of charge density waves in underdoped YBa2Cu3O6.54 revealed by X-ray diffraction

Author

Listed:
  • E. M. Forgan

    (School of Physics & Astronomy, University of Birmingham)

  • E. Blackburn

    (School of Physics & Astronomy, University of Birmingham)

  • A. T. Holmes

    (School of Physics & Astronomy, University of Birmingham
    Present address: European Spallation Source ERIC, Box 176, 221 00 Lund, Sweden.)

  • A. K. R. Briffa

    (School of Physics & Astronomy, University of Birmingham)

  • J. Chang

    (Physik-Institut, Universität Zürich)

  • L. Bouchenoire

    (XMaS, European Synchrotron Radiation Facility, B.P. 220, Grenoble F-38043, France
    University of Liverpool)

  • S. D. Brown

    (XMaS, European Synchrotron Radiation Facility, B.P. 220, Grenoble F-38043, France
    University of Liverpool)

  • Ruixing Liang

    (University of British Columbia)

  • D. Bonn

    (University of British Columbia)

  • W. N. Hardy

    (University of British Columbia)

  • N. B. Christensen

    (Technical University of Denmark)

  • M. V. Zimmermann

    (Deutsches Elektronen-Synchrotron DESY)

  • M. Hücker

    (Brookhaven National Laboratory)

  • S. M. Hayden

    (H. H. Wills Physics Laboratory, University of Bristol)

Abstract

Charge density wave (CDW) order appears throughout the underdoped high-temperature cuprate superconductors, but the underlying symmetry breaking and the origin of the CDW remain unclear. We use X-ray diffraction to determine the microscopic structure of the CDWs in an archetypical cuprate YBa2Cu3O6.54 at its superconducting transition temperature ∼60 K. We find that the CDWs in this material break the mirror symmetry of the CuO2 bilayers. The ionic displacements in the CDWs have two components, which are perpendicular and parallel to the CuO2 planes, and are out of phase with each other. The planar oxygen atoms have the largest displacements, perpendicular to the CuO2 planes. Our results allow many electronic properties of the underdoped cuprates to be understood. For instance, the CDWs will lead to local variations in the electronic structure, giving an explicit explanation of density-wave states with broken symmetry observed in scanning tunnelling microscopy and soft X-ray measurements.

Suggested Citation

  • E. M. Forgan & E. Blackburn & A. T. Holmes & A. K. R. Briffa & J. Chang & L. Bouchenoire & S. D. Brown & Ruixing Liang & D. Bonn & W. N. Hardy & N. B. Christensen & M. V. Zimmermann & M. Hücker & S. M, 2015. "The microscopic structure of charge density waves in underdoped YBa2Cu3O6.54 revealed by X-ray diffraction," Nature Communications, Nature, vol. 6(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms10064
    DOI: 10.1038/ncomms10064
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    Cited by:

    1. Alejandro Ruiz & Brandon Gunn & Yi Lu & Kalyan Sasmal & Camilla M. Moir & Rourav Basak & Hai Huang & Jun-Sik Lee & Fanny Rodolakis & Timothy J. Boyle & Morgan Walker & Yu He & Santiago Blanco-Canosa &, 2022. "Stabilization of three-dimensional charge order through interplanar orbital hybridization in PrxY1−xBa2Cu3O6+δ," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    2. I. Vinograd & S. M. Souliou & A.-A. Haghighirad & T. Lacmann & Y. Caplan & M. Frachet & M. Merz & G. Garbarino & Y. Liu & S. Nakata & K. Ishida & H. M. L. Noad & M. Minola & B. Keimer & D. Orgad & C. , 2024. "Using strain to uncover the interplay between two- and three-dimensional charge density waves in high-temperature superconducting YBa2Cu3Oy," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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