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Showing 1–6 of 6 results
Advanced filters: Author: Grégory Malinowski Clear advanced filters

  • The authors reveal that even within a few-nanometre thin films, ultrafast all-optical magnetisation switching is spatially inhomogeneous along the depth and driven by the picosecond propagation of a transient domain boundary.

    • Martin Hennecke
    • Daniel Schick
    • Stefan Eisebitt
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • The researchers showcase swept-coded aperture real-time femtophotography—an all-optical single-shot computational imaging modality at up to 156.3 trillion frames per second—video-records transient absorption in a semiconductor and ultrafast demagnetization of a metal alloy.

    • Jingdan Liu
    • Miguel Marquez
    • Jinyang Liang
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Under laser illumination it is possible to drive a ferromagnet to lose its magnetization. While this process can be rapid, remagnetization following this is slower, due to the universal critical slowing down near the phase transition. Here, Remy et al show how such a slowing down can be overcome, changing the direction of magnetization in 400 femtoseconds.

    • Quentin Remy
    • Julius Hohlfeld
    • Michel Hehn
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9