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Showing 1–3 of 3 results
Advanced filters: Author: Sarah J. Watzman Clear advanced filters

  • The anomalous Nernst effect (ANE) in topological materials with large Berry curvature shows great potential for transverse thermoelectrics, but antiferromagnets typically show small ANEs. The antiferromagnet YbMnBi2 has an ANE thermopower of 3 μV K−1, similar to ferromagnets, and a larger ANE conductivity.

    • Yu Pan
    • Congcong Le
    • Claudia Felser
    ResearchOpen Access
    Nature Materials
    Volume: 21, P: 203-209

  • Although novel topological quasiparticles have recently been evidenced, their electrical transport properties remain elusive. Here, the authors report ultra-low resistivity down to 6 nΩcm at 2 K in MoP with a large mean free path, which hints on the exotic properties of triple point fermions.

    • Nitesh Kumar
    • Yan Sun
    • Chandra Shekhar
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • We report a high anomalous Nernst thermopower (\(S_{yx}^A\)) -value of ~6.0 µV K−1 at room temperature in the ferromagnetic topological Heusler compound Co2MnGa. The measured value is seven-times larger than any anomalous Nernst thermopower value ever reported for a conventional ferromagnet. The high anomalous Nernst effect originates from a large net Berry curvature near the Fermi level associated with nodal lines and Weyl points.

    • Satya N. Guin
    • Kaustuv Manna
    • Claudia Felser
    ResearchOpen Access
    NPG Asia Materials
    Volume: 11, P: 1-9