ArticleScience advances2018
Mosaics of topological defects in micropatterned liquid crystal textures.
Article in Science advances, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Microchiral pinwheel arrays based on achiral molecules.Nature communications · 2026Article
- Harnessing acoustic topology for dynamic control of liquid crystal defects.Nature communications · 2026Article
- Fabrication of Chiral Liquid Crystal Pinwheel Arrays Through Capillarity-Assisted Particle Assembly.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
- Micropatterned Liquid Crystalline Networks for Multipurpose Color Pixels.ACS applied materials & interfaces · 2025Article
- Dynamic photomask directed lithography based on electrically stimulated nematic liquid crystal architectures.Nature communications · 2024Article
- Tunable templating of photonic microparticles via liquid crystal order-guided adsorption of amphiphilic polymers in emulsions.Nature communications · 2024Article
- Complex-tensor theory of simple smectics.Nature communications · 2023Article
- Self-assembled liquid crystal architectures for soft matter photonics.Light, science & applications · 2022Review
- Oblique light incidence method to study topological defects in nematic layers with conical boundary conditions.Scientific reports · 2021Article
- Role of Stimuli on Liquid Crystalline Defects: From Defect Engineering to Switchable Functional Materials.Materials (Basel, Switzerland) · 2020Review
- Periodic Arrays of Chiral Domains Generated from the Self-Assembly of Micropatterned Achiral Lyotropic Chromonic Liquid Crystal.ACS central science · 2020Article
- Programming emergent symmetries with saddle-splay elasticity.Nature communications · 2019Article
- Artificial colloidal liquid metacrystals by shearing microlithography.Nature communications · 2019Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Topological defects in the orientational order that appear in thin slabs of a nematic liquid crystal, as seen in the standard schlieren texture, behave as a random quasi-two-dimensional system with strong optical birefringence. We present an approach to creating and controlling the defects using air pillars, trapped by micropatterned holes in the silicon substrate. The defects are stabilized and positioned by the arrayed air pillars into regular two-dimensional lattices. We explore the effects of hole shape, lattice symmetry, and surface treatment on the resulting lattices of defects and explain their arrangements by application of topological rules. Last, we show the formation of detailed kaleidoscopic textures after the system is cooled down across the nematic-smectic A phase transition, frustrating the defects and surrounding structures with the equal-layer spacing condition of the smectic phase.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.