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Showing 1–2 of 2 results
Advanced filters: Author: Luminita Harnagea Clear advanced filters

  • The Fermi surface is related to the energy distribution of electrons in a solid, and governs physical properties of metals and semiconductors. A new type of angle-resolved photoemission spectroscopy, probing the Fermi surface and combining short recording time with high resolution, is now presented.

    • Sergey Borisenko
    • Alexander Fedorov
    • Bernd Büchner
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • The dominant mechanism of the excitonic insulator transition in Ta2NiSe5 and the nature of its high-temperature phase are debated. The authors report transient reflectivity measurements indicating a significant electronic contribution to the transition and a gapped state of preformed excitons at high temperatures.

    • Hope M. Bretscher
    • Paolo Andrich
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8