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Showing 1–8 of 8 results
Advanced filters: Author: Matteo Baggioli Clear advanced filters
  • Identifying topological defects in disordered materials has a profound effect on predicting when and where the material will break. Matteo Baggioli comments a recent publication in Nature Communications, which confirms the existence of defects in glasses and their crucial role for plasticity.

    • Matteo Baggioli
    Comments & OpinionOpen Access
    Nature Communications
    Volume: 14, P: 1-3
  • Recent numerical simulations indicate that well-defined topological defects arise in the dynamics of glasses. Here, the authors report the presence of topological defects in the vibrational eigenspace of an experimental two-dimensional colloidal glass.

    • Vinay Vaibhav
    • Arabinda Bera
    • Alessio Zaccone
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10
  • The atomic-scale dynamics underlying fluid viscosity, the resistance of a fluid to flow, remain poorly understood. Here, authors demonstrate that the process by which an atom loses or gains a neighbor is the microscopic mechanism of viscosity in two-dimensional liquid-like fluids.

    • Dong Huang
    • Shaoyu Lu
    • Yan Feng
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11
  • A description of the vibrational properties of amorphous ice confined in graphene oxide membranes, as an exemplary nanoconfined material, is presented. Inelastic neutron scattering experiments and molecular dynamics simulations show anomalous deviations from standard bulk behavior.

    • Yuanxi Yu
    • Chenxing Yang
    • Liang Hong
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10
  • Due to the underlying structural disorder, identifying the defects responsible for plasticity and mechanical failure in three-dimensional disordered solids remains a long-standing challenge. In this work, the authors combine topological and geometrical analysis to identify and characterize topological defects in 3D glasses, revealing key differences from analogous results in idealized two-dimensional systems.

    • Arabinda Bera
    • Alessio Zaccone
    • Matteo Baggioli
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10
  • Recent studies have reported the exceptional plasticity of InSe van der Waals crystals, but their deformation-correlated lattice dynamics remains unexplored. Here, the authors investigate the correlations of plastic interlayer slip, lattice anharmonicity and thermal transport in β-InSe crystals via neutron scattering techniques.

    • Jiangtao Wu
    • Yifei Lin
    • Jie Ma
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9
  • Transverse waves in liquids exhibit a wave-vector-gapped dispersion, as predicted by Maxwell-Frenkel theory and observed in simulations. Here, the authors provide direct experimental evidence of this effect in an active Brownian particle system, revealing a dynamical crossover to a gas-like phase as the packing fraction decreases.

    • Cunyuan Jiang
    • Zihan Zheng
    • Jie Zhang
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-12