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Showing 1–2 of 2 results
Advanced filters: Author: M. Kwaaitaal Clear advanced filters
  • Researchers reveal that naturally emerging epsilon-near-zero conditions in BaTiO3 can be exploited to drive permanent all-optical switching of ferroelectric polarization. The general nature of the epsilon-near-zero regime means that the approach could be used to switch spontaneous order parameters in other systems.

    • M. Kwaaitaal
    • D. G. Lourens
    • A. Kirilyuk
    Research
    Nature Photonics
    Volume: 18, P: 569-573
  • Increasing the speed of magnetization switching is an obvious pathway to improve spintronic device performance. However, very fast magnetization switching is accompanied by instabilities. Here, Gidding et al study these instabilities using optical pumping, and show that instability generated spin-waves can achieve a high enough amplitude to drive switching of the magnetization, with a distinctive coherent pattern.

    • M. Gidding
    • T. Janssen
    • A. Kirilyuk
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-6