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Showing 1–9 of 9 results
Advanced filters: Author: Bohdan Senyuk Clear advanced filters

  • Colloidal systems can form bulk phases such as liquid and crystals, but they also exhibit interesting behaviours that have no atomic analogues. Here, by dispersing solid polymer microspheres in a nematic liquid crystal, Senyuk et al. demonstrate spontaneous formation of hexadecapolar nematic colloids.

    • Bohdan Senyuk
    • Owen Puls
    • Ivan I. Smalyukh
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Existing lithographic methods for the micropatterning of reduced graphene oxide (rGO) are limited by mask production. Here, the authors fabricate fully 3D rGO microstructures in an aqueous nematic liquid crystal of two-dimensional GO flakes via a scalable, mask-free pulsed near-infrared laser approach.

    • Bohdan Senyuk
    • Natnael Behabtu
    • Ivan I. Smalyukh
    Research
    Nature Communications
    Volume: 6, P: 1-7

  • The orientational order of nematic liquid crystals is a property that is controllable by external parameters such as electromagnetic fields and pressure gradients. Lavrentovich and co-workers demonstrate that thermal expansion can also induce orientational order that results in a flow of the liquid crystals.

    • Young-Ki Kim
    • Bohdan Senyuk
    • Oleg D. Lavrentovich
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-7

  • The recently discovered elastic hexadecapole has been thought to result from a conic anchoring condition. In order to understand it at a fundamental level, the authors introduce a model for this anchoring in the context of a Landau-de Gennes free energy functional.

    • Ye Zhou
    • Bohdan Senyuk
    • Juan J. de Pablo
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • When colloidal particles are placed into a liquid crystal host the anisotropic surface interactions produce spatial elastic distortions described as elastic multipoles. Here the authors provide a recipe to construct higher order multipoles, in particular the 16-, 32-, and 64-poles.

    • Bohdan Senyuk
    • Jure Aplinc
    • Ivan I. Smalyukh
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-17

  • Colloidal chiral springs and helices are formed by light inside a nematic liquid crystal suspension, predefining the mesoscopic superstructures self-assembled in such systems.

    • Ye Yuan
    • Angel Martinez
    • Ivan I. Smalyukh
    Research
    Nature Materials
    Volume: 17, P: 71-79

  • Unstructured light controls the elastic monopole moments of nematic liquid-crystal colloidal particles and switches them to quadrupoles, with like-charged monopoles attracting and oppositely charged ones repelling, enabling reconfigurable dynamic self-assembly.

    • Ye Yuan
    • Qingkun Liu
    • Ivan I. Smalyukh
    Research
    Nature
    Volume: 570, P: 214-218

  • Topologically distinct colloidal particles introduced into a nematic liquid crystal align and generate topology-constrained three-dimensional director fields and defects in the liquid crystal fluid that can be manipulated with a variety of methods, opening up a new area of exploration in the field of soft matter.

    • Bohdan Senyuk
    • Qingkun Liu
    • Ivan I. Smalyukh
    Research
    Nature
    Volume: 493, P: 200-205