ArticleMaterials (Basel, Switzerland)2021
Nonequilibrium Dynamics of a Magnetic Nanocapsule in a Nematic Liquid Crystal.
Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Dynamics of polymers in coarse-grained nematic solvents.Soft matter · 2025Article
- Entangled nematic disclinations using multi-particle collision dynamics.Soft matter · 2024Article
- Lock-key microfluidics: simulating nematic colloid advection along wavy-walled channels.Soft matter · 2024Article
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2 authors.
Funding
Abstract
Colloidal particles in nematic liquid crystals show a beautiful variety of complex phenomena with promising applications. Their dynamical behaviour is determined by topology and interactions with the liquid crystal and external fields. Here, a nematic magnetic nanocapsule reoriented periodically by time-varying magnetic fields is studied using numerical simulations. The approach combines Molecular Dynamics to resolve solute-solvent interactions and Nematic Multiparticle Collision Dynamics to incorporate nematohydrodynamic fields and fluctuations. A Saturn ring defect resulting from homeotropic anchoring conditions surrounds the capsule and rotates together with it. Magnetically induced rotations of the capsule can produce transformations of this topological defect, which changes from a disclination curve to a defect structure extending over the surface of the capsule. Transformations occur for large magnetic fields. At moderate fields, elastic torques prevent changes of the topological defect by tilting the capsule out from the rotation plane of the magnetic field.
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