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Showing 1–8 of 8 results
Advanced filters: Author: V. O. Garlea Clear advanced filters

  • The coexistence of frustrated magnetism and bond order is demonstrated in a family of antiferromagnets. Layers of dual frustrated orders are interleaved in the same crystal lattice, which presents an exciting possibility for engineering new responses.

    • S. J. Gomez Alvarado
    • J. R. Chamorro
    • Stephen D. Wilson
    Research
    Nature Materials
    Volume: 25, P: 65-72

  • Anisotropic spin S >1/2 quantum magnets can have multiple low energy modes. In this manuscript, the authors study the interaction of such low energy modes in the S = 1 antiferromagnet Ba2FeSi2O7 by combining neutron scattering measurements with an SU(3) generalization of the 1/S expansion.

    • Seung-Hwan Do
    • Hao Zhang
    • Andrew D. Christianson
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-12

  • Magnons are elementary quasiparticles describing collective excitations of magnetic materials, however more complex quasiparticles can arise from attractive interactions between magnons. Here the authors report several types of magnetic excitations in a spin-1 magnet FeI2 and uncover new magnon decay paths.

    • Xiaojian Bai
    • Shang-Shun Zhang
    • Cristian D. Batista
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-11

  • Gapped quantum antiferromagnets can undergo field or pressure induced phase transitions to the magnetically ordered state, which have distinct critical exponents. While there are many examples of field induced transitions, thus far the pressure induced case has proven difficult to realize. Herein, the authors demonstrate such a pressure driven phase transition in the quantum antiferromagnet, DTN.

    • Kirill Yu. Povarov
    • David E. Graf
    • Sergei A. Zvyagin
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • To optimize the performance of lead chalcogenides for thermoelectric applications, strategies to further reduce the crystal’s thermal conductivity is required. Here, the authors discover anharmonic localized vibrations in PbSe crystals for optimizing the crystal’s vibrational transport properties.

    • M. E. Manley
    • O. Hellman
    • A. J. Minnich
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Honeycomb lattices with interacting spins can host rich magnetic behaviour; however, typically features are complicated by additional interactions. Here, the authors perform neutron scattering on YbCl3, which exhibits near perfect two-dimensional magnetism, providing a benchmark for other materials.

    • G. Sala
    • M. B. Stone
    • A. D. Christianson
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • The improper ferroelectric mechanism of YMnO3 has been difficult to observe directly but is important for understanding its other interesting properties such as multiferroicity. Bansal et al. use neutron scattering and ab initio calculations to show that phonons drive the transition, confirming earlier theories.

    • Dipanshu Bansal
    • Jennifer L. Niedziela
    • Olivier Delaire
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9