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Showing 1–5 of 5 results
Advanced filters: Author: G. C. Gazzadi Clear advanced filters

  • Existing methods of characterizing electron beams carrying orbital angular momentum are inefficient as they allow measuring one OAM state at a time. Here the authors demonstrate an OAM spectrometer capable of analysing multiple OAM states and a potential tool for probing magnetic materials.

    • Vincenzo Grillo
    • Amir H. Tavabi
    • Ebrahim Karimi
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • Spectroscopic resolution of orbital angular momentum (OAM) exchanged with materials during inelastic scattering processes, is useful in characterizing electronic properties such as excitations or correlations. Here, the authors demonstrate a two-element OAM sorter of free electron beams for electron energy-loss spectroscopy applications.

    • A. H. Tavabi
    • P. Rosi
    • V. Grillo
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • Beyond high resolving power, electron microscopy can be used to study both the electronic and magnetic properties of a sample. Here, Grillo et al. combine electron vortex beams with holographic detection to measure out-of-plane nanoscale magnetic fields.

    • Vincenzo Grillo
    • Tyler R. Harvey
    • Ebrahim Karimi
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • Similar to orbital angular momentum-carrying optical beams, it is now possible to engineer structured electron beams that could find applications in imaging, nanofabrication and the study of fundamental phenomena.

    • Jérémie Harris
    • Vincenzo Grillo
    • Ebrahim Karimi
    Reviews
    Nature Physics
    Volume: 11, P: 629-634