An X-ray Scattering Study on CDW in Heavily Underdopded YBCO under High Magnetic Field

ORAL

Abstract

While the existence of charge density wave (CDW) in YBa2Cu3O6+x has now been firmly established, where in the phase diagram does it emerge remains an important question. X-ray scattering in the absence of magnetic field, as well as a lower field, suggests that the CDW becomes detectable for the hole concentration p > 0.08. However, these measurements are unlikely to represent the ground state properties because the superconductivity dominates at the low temperature, obscuring the development of the CDW. To resolve this limitation, we perform x-ray scattering at high magnetic field that is comparable to the upper critical field, using x-ray free electron laser with a pulsed magnet. The high magnetic field heavily suppresses YBCO’s superconductivity (SC) at the low temperature; so that we can investigate the existence of CDW at low temperature with minimal influence from the SC. The results and corresponding implications will be discussed in this talk.

*This work is supported by the Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division, under Contract DE-AC02-76SF00515.

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Presenters

  • Wei-Sheng Lee

    • SLAC National Accelerator Laboratory
    • SLAC - Natl Accelerator Lab

Authors

  • Wei-Sheng Lee

    • SLAC National Accelerator Laboratory
    • SLAC - Natl Accelerator Lab

  • Hoyoung Jang

    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory

  • Sanghoon Song

    • SLAC - Natl Accelerator Lab

  • H. Huang

    • SLAC - Natl Accelerator Lab

  • Y.-J. Liu

    • SLAC - Natl Accelerator Lab

  • Satoshi Matsuzawa

    • Tohoku University

  • H. Yasumura

    • Tohoku University

  • Juan Porras

    • Max Planck Institute for Solid State Research

  • Matteo Minola

    • Max Planck Institute for Solid State Research
    • Max-Planck-Institut für Festkörperforschung

  • Bernhard Keimer

    • Max Planck Institute for Solid State Research
    • Max-Planck-Institut für Festkörperforschung
    • Solid-state spectroscopy, Max Planck Institute for Solid-State Research

  • Jerome Hastings

    • SLAC - Natl Accelerator Lab

  • Steven Kivelson

    • Stanford University
    • Stanford Univ
    • Physics, Stanford University

  • Zhi-Xun Shen

    • Stanford University
    • SLAC National Accelerator Laboratory
    • SLAC - Natl Accelerator Lab
    • Stanford Univ
    • SIMIS, Stanford University
    • Applied Physics, Stanford Univ
    • Stanford University and SLAC National Accelerator Laboratory
    • Applied Physics, Stanford University

  • Thomas Devereaux

    • Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory
    • Stanford Univ
    • SLAC and Stanford University
    • SLAC National Accelerator Laboratory
    • SLAC - Natl Accelerator Lab
    • Stanford Institute for Materials and Energy Sciences, SLAC National Laboratory
    • Stanford University
    • SIMIS, Stanford University
    • Physics, Stanford University
    • SLAC National Lab and Stanford University
    • SIMES, SLAC and Stanford University

  • Chi-Chang Kao

    • SLAC - Natl Accelerator Lab

  • H. Nojiri

    • Tohoku University

  • D. L. Zhu

    • SLAC - Natl Accelerator Lab

  • Jun-Sik Lee

    • SSRL/SLAC
    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory