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Showing 1–5 of 5 results
Advanced filters: Author: Kevin Bedell Clear advanced filters

  • By using a single-quantum-well active region with a unique well–cladding design to suppress non-radiative recombination and enhance radiative recombination, light-emitting diodes with close to unity internal quantum efficiency at a low current density of <10−4 A cm−2 are demonstrated.

    • Ning Li
    • Kevin Han
    • Devendra Sadana
    Research
    Nature Photonics
    Volume: 13, P: 588-592

  • While Majorana excitations are often considered to be a cornerstone for proposed quantum devices, their experimental detection has proven to be a significant challenge. Here, the authors theoretically and experimentally demonstrate that the Kitaev candidate material Ag3LiIr2O6 may support a Majorana-Fermi surface, which could potentially serve as a “smoking gun” for a quantum spin liquid ground state through the lens of specific heat data.

    • Joshuah T. Heath
    • Faranak Bahrami
    • Kevin Bedell
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-13

  • The rich magnetic phase behaviour of MnSi reflects the complexity of the physics underlying itinerant ferromagnetism. Here the authors present evidence that MnSi is strongly influenced by Hund’s coupling effects, suggesting a broader class of materials may fall into the class of Hund metals.

    • Xiang Chen
    • Igor Krivenko
    • Stephen D. Wilson
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8