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Showing 1–12 of 12 results
Advanced filters: Author: Thiagarajan Balasubramanian Clear advanced filters

  • Self-intercalated Chromium tellurides consist of CrTe2 van der Waals layers, with additional Chromium atoms residing in the van der Waals gap. This highly tuneable class of magnetic materials has presented a range of unique magnetic phenomena, and here Bigi, Jego, Polewczyk et al add to this by showing that CrTe2 (δ = 0.25 − 0.50) hosts orthogonal ferromagnetism.

    • Chiara Bigi
    • Cyriack Jego
    • Federico Mazzola
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • The authors report that tensile strain applied to CsV3Sb5 strongly suppresses the charge-density-wave (CDW) gap, increases the mass of the fermions at the higher-order van Hove singularity (HO-VHS) and drives the energy of the HO-VHS towards the Fermi energy. Further, they suggest an important role of the HO-VHS in superconducting pairing.

    • Chun Lin
    • Armando Consiglio
    • Johan Chang
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Altermagnets constitute a novel fundamental class of magnetic materials, alongside with ferro- and antiferromagnets. The authors connect altermagnetism to the world of topology, by showing experimentally that altermagnetic CrSb is a topological Weyl semi-metal.

    • Cong Li
    • Mengli Hu
    • Jeroen van den Brink
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-7

  • A Weyl semimetal formally requires either broken time reversal symmetry or inversion symmetry. One class of Weyl semimetals-the crystal family of NdAlSi-exhibits both. Here, Li et al perform angle-resolved photoemission spectroscopy measurements on NdAlSi, and observe the formation of an additional Weyl fermion as the material becomes ferrimagnetic.

    • Cong Li
    • Jianfeng Zhang
    • Oscar Tjernberg
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • A study combining spectroscopy and mathematical topology  reports the observation of linked node loops in a quantum magnet, with properties suggesting a Seifert bulk–boundary correspondence.

    • Ilya Belopolski
    • Guoqing Chang
    • M. Zahid Hasan
    Research
    Nature
    Volume: 604, P: 647-652

  • Breaking the time-reversal symmetry of the surface states of topological insulators is predicted to produce many exotic and potentially useful phenomena. Spin-resolved angle-resolved photoemission spectroscopy spectra reveal that magnetic dopants can induce such symmetry breaking in Be2Se3 thin films.

    • Su-Yang Xu
    • Madhab Neupane
    • M. Zahid Hasan
    Research
    Nature Physics
    Volume: 8, P: 616-622

  • The cytokinetic ring consists of actin and myosin, but their organisation prior to and during constriction has not been observed. Here the authors observe that mammalian and yeast cells organise their rings differently, with mammalian cells forming a periodic pattern of myosin clusters and yeast rotating myosin clusters during constriction.

    • Viktoria Wollrab
    • Raghavan Thiagarajan
    • Daniel Riveline
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9