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

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. Usenko, R. Soufli, T. Pardini, S. Hau-Riege, C. Burcklen, J. Schein, R. Redmer, Y. Y. Tsui, B. K. Ofori-Okai and S. H. Glenzer ()
Additional contact information
Z. Chen: SLAC National Accelerator Laboratory
C. B. Curry: SLAC National Accelerator Laboratory
R. Zhang: University of Alberta
F. Treffert: SLAC National Accelerator Laboratory
N. Stojanovic: Deutsches Elektronen-Synchrotron DESY
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
A. Weinmann: SLAC National Accelerator Laboratory
M. Z. Mo: SLAC National Accelerator Laboratory
J. B. Kim: SLAC National Accelerator Laboratory
B. B. L. Witte: SLAC National Accelerator Laboratory
S. Bajt: Deutsches Elektronen-Synchrotron DESY
S. Usenko: Deutsches Elektronen-Synchrotron DESY
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

Nature Communications, 2021, vol. 12, issue 1, 1-8

Abstract: 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.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21756-6

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DOI: 10.1038/s41467-021-21756-6

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