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Showing 1–3 of 3 results
Advanced filters: Author: Hun-ho Kim Clear advanced filters

  • There has been significant interest in using spin-waves or magnons for information processing, due to their low energy dissipation and short wavelength at terahertz frequencies, however, manipulating magnons can be challenging. Here, Kim et al show that magnons in Sr2IrO4 are extremely strain sensitive, with small applied strains leading to large variation in the magnon energy.

    • Hun-Ho Kim
    • Kentaro Ueda
    • Matteo Minola
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • 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

  • High-pressure synthesis is used to stabilize superconducting (Ba,K)SbO3, whose properties provide a fresh perspective on the origin of superconductivity in these types of materials.

    • Minu Kim
    • Graham M. McNally
    • Hidenori Takagi
    ResearchOpen Access
    Nature Materials
    Volume: 21, P: 627-633