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Showing 1–4 of 4 results
Advanced filters: Author: Leland W. Harriger Clear advanced filters

  • An outstanding question about the iron-based superconductors has been whether or not their magnetic characteristics are dominated by itinerant or localized magnetic moments. Absolute measurements and calculations of the magnetic response of undoped and Ni-doped BaFe2As2 indicate the latter.

    • Mengshu Liu
    • Leland W. Harriger
    • Pengcheng Dai
    Research
    Nature Physics
    Volume: 8, P: 376-381

  • Unlike the other iron-based superconductors, the parent compounds of the alkaline iron selenide superconductors are insulators. Dai and colleagues examine the spin-wave excitations in these materials and uncover evidence for a common magnetic origin for all iron-based superconductors.

    • Miaoyin Wang
    • Chen Fang
    • Pengcheng Dai
    Research
    Nature Communications
    Volume: 2, P: 1-6

  • A neutron scattering study of the quantum magnet BiCu2PO6 demonstrates a phenomenon known as energy-level repulsion, which occurs between a long-lived quasiparticle state and a many-particle continuum.

    • K. W. Plumb
    • Kyusung Hwang
    • Young-June Kim
    Research
    Nature Physics
    Volume: 12, P: 224-229