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Showing 1–7 of 7 results
Advanced filters: Author: S. Pailhès Clear advanced filters

  • An outstanding question regarding cuprate superconductors is how the Fermi liquid behaviour of their normal state breaks down. Chang et al. conduct a systematic ARPES study of how the Fermi liquid quasiparticle excitations break down in momentum space, and find it to be highly anisotropic in La2−xSrxCuO4.

    • J. Chang
    • M. Månsson
    • J. Mesot
    Research
    Nature Communications
    Volume: 4, P: 1-5

  • Coherent scattering of phonons in a periodic nanostructure leads to interference, which modifies phonon energies. Here, authors observed that a strong interference effect also influences phonon lifetime. Despite its reduction, energy transport is conserved thanks to a hopping of energy among the reflected waves.

    • Mohammad Hadi
    • Haoming Luo
    • Valentina M. Giordano
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Thermoelectric clathrates host guest atoms that can rattle inside their surrounding cages, yielding unusual phononic properties. Ikeda et al. show that ab initio calculations fail to account for thermodynamic and thermal transport data and propose a Kondo-like mechanism to explain the discrepancy.

    • M. S. Ikeda
    • H. Euchner
    • S. Paschen
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • An exotic two-dimensional electron gas (2DEG) forms at oxide interfaces based on SrTiO3, but the precise nature of the 2DEG has remained elusive. In a systematic study using angle-resolved photoemission spectroscopy (ARPES), new insights into the electronic structure of the 2DEG are obtained. The findings shed light on previous observations in SrTiO3-based heterostructures and suggest that different forms of electron confinement at the surface of SrTiO3 lead to essentially the same 2DEG.

    • A. F. Santander-Syro
    • O. Copie
    • M. J. Rozenberg
    Research
    Nature
    Volume: 469, P: 189-193

  • Interest in hybrid organolead perovskites is driven by their promising optoelectronic properties and potential application as photovoltaics. In this work, insight into the electron-phonon interactions influencing these properties is gained from neutron and Raman spectroscopic measurements.

    • A. C. Ferreira
    • S. Paofai
    • P. Bourges
    ResearchOpen Access
    Communications Physics
    Volume: 3, P: 1-10