Liquid crystal colloids

II Smalyukh - Annual Review of Condensed Matter Physics, 2018 - annualreviews.org
Colloids are abundant in nature, science, and technology, with examples ranging from milk
to quantum dots and the colloidal atom paradigm. Similarly, liquid crystal ordering is …

Design and preparation of nematic colloidal particles

B Senyuk, C Meng, II Smalyukh - Langmuir, 2022 - ACS Publications
Colloidal systems are abundant in technology, in biomedical settings, and in our daily life.
The so-called “colloidal atoms” paradigm exploits interparticle interactions to self-assemble …

Hexadecapolar colloids

B Senyuk, O Puls, OM Tovkach, SB Chernyshuk… - Nature …, 2016 - nature.com
Outermost occupied electron shells of chemical elements can have symmetries resembling
that of monopoles, dipoles, quadrupoles and octupoles corresponding to filled s-, p-, d-and f …

High-order elastic multipoles as colloidal atoms

B Senyuk, J Aplinc, M Ravnik, II Smalyukh - Nature communications, 2019 - nature.com
Achieving and exceeding diversity of colloidal analogs of chemical elements and molecules
as building blocks of matter has been the central goal and challenge of colloidal science …

Topological defects in an unconfined nematic fluid induced by single and double spherical colloidal particles

Y Wang, P Zhang, JZY Chen - Physical Review E, 2017 - APS
We present numerical solutions to the Landau-de Gennes free-energy model under the one-
constant approximation for systems of single and double spherical colloidal particles …

Analytical description of the saturn-ring defect in nematic colloids

S Alama, L Bronsard, X Lamy - Physical Review E, 2016 - APS
We derive an analytical formula for the Saturn-ring configuration around a small colloidal
particle suspended in nematic liquid crystal. In particular we obtain an explicit expression for …

Chiral bipolar colloids from nonchiral chromonic liquid crystals

A Nych, U Ognysta, I Muševič, D Seč, M Ravnik… - Physical Review E, 2014 - APS
We demonstrate that high anisotropy of elastic constants of chromonic liquid crystals leads
to a number of spontaneously twisted nematic director fields around colloidal particles in …

Pair interaction of localized topological structures in confined chiral media

IM Tambovtsev, IS Lobanov, AD Kiselev, VM Uzdin - Physical Review E, 2023 - APS
We study pairwise interactions between localized topological structures in chiral magnetic
and cholesteric liquid crystal (CLC) systems confined in the planar geometry. Our …

Colloidal interactions and unusual crystallization versus de-mixing of elastic multipoles formed by gold mesoflowers

Y Yuan, M Tasinkevych, II Smalyukh - Nature Communications, 2020 - nature.com
Colloidal interactions in nematic liquid crystals can be described as interactions between
elastic multipoles that depend on particle shape, topology, chirality, boundary conditions …

Electrokinetic effects in nematic suspensions: Single-particle electro-osmosis and interparticle interactions

C Conklin, OM Tovkach, J Viñals, MC Calderer… - Physical Review E, 2018 - APS
Electrokinetic phenomena in a nematic suspension are considered when one or more
dielectric particles are suspended in a liquid crystal matrix in its nematic phase. The long …