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Showing 1–2 of 2 results
Advanced filters: Author: T. Nathan Nunley Clear advanced filters

  • Antiferromagnets have a variety of attractive features for spintronic devices; they are inherently robust against external magnetic fields, and have fast, terahertz, dynamics. However, terahertz magnons are usually strongly damped. Here, Choe, Lujan and coauthors find that the zone boundary magnons in the AFM insulator CoTiO3 exhibit long lifetimes.

    • Jeongheon Choe
    • David Lujan
    • Xiaoqin Li
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • MnBi2Te4, referred to as MBT, is a van der Waals material combining topological electron bands with magnetic order. Here, Lujan et al study collective spin excitations in MBT, and show that magnetic fluctuations increase as samples reduce in thickness, implying less robust magnetic order.

    • David Lujan
    • Jeongheon Choe
    • Xiaoqin Li
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7