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Showing 1–4 of 4 results
Advanced filters: Author: Ettore Paltanin Clear advanced filters

  • The electron transfer from aluminum to hematite in a thermite reaction is investigated here using femtosecond extreme-ultraviolet spectroscopy, offering insights into charge flow in energetic materials and laying the basis for studying chemical reactions in the solid state at the femtosecond timescale.

    • Ettore Paltanin
    • Jacopo S. Pelli Cresi
    • Claudio Masciovecchio
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • This study presents a method to create nanoscale polarization transient gratings in the EUV range. Unlike intensity gratings, it reduces thermal effects, revealing hidden material dynamics. This enables new insights in chiral materials and ultrafast magnetism.

    • Laura Foglia
    • Björn Wehinger
    • Filippo Bencivenga
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • 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

  • A reflective spatial light modulator for extreme ultraviolet (EUV) or soft X-ray light is demonstrated in an electronic Wigner crystal material with a sub-90-nm feature size. The diffraction grating imprinted by sub-picosecond EUV beams is rewritable. The projected efficiency according to the modelling exceeds 1%.

    • Igor Vaskivskyi
    • Anze Mraz
    • Dragan Mihailovic
    ResearchOpen Access
    Nature Photonics
    Volume: 18, P: 458-463