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Ultrafast multi-cycle terahertz measurements of the electrical conductivity in strongly excited solids

Author

Listed:
  • Z. Chen

    (SLAC National Accelerator Laboratory)

  • C. B. Curry

    (SLAC National Accelerator Laboratory
    University of Alberta)

  • R. Zhang

    (University of Alberta)

  • F. Treffert

    (SLAC National Accelerator Laboratory
    Technische Universität Darmstadt)

  • N. Stojanovic

    (Deutsches Elektronen-Synchrotron DESY
    DLR-Institute for Optical Sensor Systems)

  • S. Toleikis

    (Deutsches Elektronen-Synchrotron DESY)

  • R. Pan

    (Deutsches Elektronen-Synchrotron DESY)

  • M. Gauthier

    (SLAC National Accelerator Laboratory)

  • E. Zapolnova

    (Deutsches Elektronen-Synchrotron DESY)

  • L. E. Seipp

    (SLAC National Accelerator Laboratory
    Universität der Bundeswehr München)

  • A. Weinmann

    (SLAC National Accelerator Laboratory
    Universität der Bundeswehr München)

  • M. Z. Mo

    (SLAC National Accelerator Laboratory)

  • J. B. Kim

    (SLAC National Accelerator Laboratory)

  • B. B. L. Witte

    (SLAC National Accelerator Laboratory
    Universität Rostock)

  • S. Bajt

    (Deutsches Elektronen-Synchrotron DESY
    The Hamburg Centre for Ultrafast Imaging)

  • S. Usenko

    (Deutsches Elektronen-Synchrotron DESY
    Institut für Experimentalphysik, Universität Hamburg
    European XFEL GmbH)

  • R. Soufli

    (Lawrence Livermore National Laboratory)

  • T. Pardini

    (Lawrence Livermore National Laboratory)

  • S. Hau-Riege

    (Lawrence Livermore National Laboratory)

  • C. Burcklen

    (Lawrence Livermore National Laboratory)

  • J. Schein

    (Universität der Bundeswehr München)

  • R. Redmer

    (Universität Rostock)

  • Y. Y. Tsui

    (University of Alberta)

  • B. K. Ofori-Okai

    (SLAC National Accelerator Laboratory)

  • S. H. Glenzer

    (SLAC National Accelerator Laboratory)

Abstract

Key insights in materials at extreme temperatures and pressures can be gained by accurate measurements that determine the electrical conductivity. Free-electron laser pulses can ionize and excite matter out of equilibrium on femtosecond time scales, modifying the electronic and ionic structures and enhancing electronic scattering properties. The transient evolution of the conductivity manifests the energy coupling from high temperature electrons to low temperature ions. Here we combine accelerator-based, high-brightness multi-cycle terahertz radiation with a single-shot electro-optic sampling technique to probe the evolution of DC electrical conductivity using terahertz transmission measurements on sub-picosecond time scales with a multi-undulator free electron laser. Our results allow the direct determination of the electron-electron and electron-ion scattering frequencies that are the major contributors of the electrical resistivity.

Suggested Citation

  • Z. Chen & C. B. Curry & R. Zhang & F. Treffert & N. Stojanovic & S. Toleikis & R. Pan & M. Gauthier & E. Zapolnova & L. E. Seipp & A. Weinmann & M. Z. Mo & J. B. Kim & B. B. L. Witte & S. Bajt & S. Us, 2021. "Ultrafast multi-cycle terahertz measurements of the electrical conductivity in strongly excited solids," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21756-6
    DOI: 10.1038/s41467-021-21756-6
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