Topological defect guided order evolution across the nematic-smectic phase transition

SB Wu, JB Wu, HM Cao, YQ Lu, W Hu - Physical Review Letters, 2023 - APS
Topological defects usually emerge and vary during the phase transition of ordered systems.
Their roles in thermodynamic order evolution keep being the frontier of modern condensed …

Nanoparticle-stabilized lattices of topological defects in liquid crystals

A Gudimalla, M Lavrič, M Trček, S Harkai… - International Journal of …, 2020 - Springer
We present a review of nanoparticle (NP) stabilized lattices of topological defects (TDs) in
liquid crystals (LCs). We focus on conditions for which chiral liquid-crystalline blue phases …

Azimuthal orientation guided topological defect evolution across the nematic-smectic phase transition

JB Wu, SB Wu, W Hu - Physical Review B, 2023 - APS
Topological defects are of fundamental interest to wide branches of physics. Exploiting the
structural evolutions and behaviors of topological defects across the phase transition is vital …

Focal conic flowers, dislocation rings, and undulation textures in smectic liquid crystal Janus droplets

WS Wei, J Jeong, PJ Collings, AG Yodh - Soft Matter, 2022 - pubs.rsc.org
Liquid crystalline phases of matter often exhibit visually stunning patterns or textures. Mostly,
these liquid crystal (LC) configurations are uniquely determined by bulk LC elasticity …

Complex-tensor theory of simple smectics

J Paget, MG Mazza, AJ Archer, TN Shendruk - Nature Communications, 2023 - nature.com
Matter self-assembling into layers generates unique properties, including structures of
stacked surfaces, directed transport, and compact area maximization that can be highly …

Smectic layering: Landau theory for a complex-tensor order parameter

J Paget, U Alberti, MG Mazza, AJ Archer… - Journal of Physics A …, 2022 - iopscience.iop.org
Composed of microscopic layers that stack along one direction while maintaining fluid-like
positional disorder within layers, smectics are excellent systems for exploring topology …

Network topology of interlocked chiral particles

PA Monderkamp, RS Windisch, R Wittmann… - The Journal of …, 2023 - pubs.aip.org
Self-assembly of chiral particles with an L-shape is explored by Monte-Carlo computer
simulations in two spatial dimensions. For sufficiently high packing densities in confinement …

Aspects of defect topology in smectic liquid crystals

T Machon, H Aharoni, Y Hu, RD Kamien - … in Mathematical Physics, 2019 - Springer
We study the topology of smectic defects in two and three dimensions. We give a topological
classification of smectic point defects and disclination lines in three dimensions. In addition …

Spatial Photo‐Patterning of Nematic Liquid Crystal Pretilt and its Application in Fabricating Flat Gradient‐Index Lenses

A Modin, RL Leheny, F Serra - Advanced Materials, 2024 - Wiley Online Library
Liquid crystals offer a dynamic platform for developing advanced photonics and soft
actuation systems due to their unique and facile tunability and reconfigurability. Achieving …

Identifying Topological Defects in Lamellar Phases through Contour Analysis of Complex Wave Fields

CH Tung, HL Chen, GR Huang, L Porcar… - …, 2024 - ACS Publications
Lamellar phases frequently contain structural imperfections that significantly affect their
behaviors and properties. Our previous research successfully reconstructed real-space …