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Showing 1–2 of 2 results
Advanced filters: Author: Sofia-Michaela Souliou Clear advanced filters

  • This work reports on high-resolution inelastic X-ray scattering experiments revealing a striking renormalization of the phonon spectra of high-Tc cuprates associated with the formation of charge density waves. Their origin is attributed to the hybridization of phonons with dispersive collective excitations of the charge density waves, providing insights in the role of electron-phonon interaction in high temperature superconductors.

    • Sofia-Michaela Souliou
    • Daisuke Ishikawa
    • Matthieu Le Tacon
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-7

  • Electronic nematicity is typically associated with the breaking of rotational symmetry. Here the authors report unusual nematicity in BaNi2As2, manifested in a large splitting of the optical phonon mode above the structural transition temperature, and link it to the coupling between the lattice and nematic fluctuations.

    • Yi Yao
    • Roland Willa
    • Matthieu Le Tacon
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9