Edge-on anchored discotic liquid crystals in spherical shells: A computational study of the phases and defects
type: Document
related by: authorship_75617
issue: 3
date time value: article date 12516
pmid: 39425303
related by: authorship_75618
type: Thing
type: Article
crisid: 12516
type: Information Content Entity
type: Generically Dependent Continuant
e iscopus: 2-s2.0-85204937895
freetext keyword: Arch bridges; Arches; Crystal defects; Error correction; Functional materials; Nematic liquid crystals; Precision engineering; Self assembly; Shells (structures); Soft materials; Anchorings; Computational studies; Disclination lines; Discotic liquid crystal; Functionals; Liquid-crystal droplets; Soft-matter physics; Spherical shell; Spherical surface; Topological defect; article; controlled study; liquid crystal; Monte Carlo method; temperature; Spheres
type: Continuant
artnum: 34704
most specific type: Article
estado: published
type: Entity
most specific type: Document
abstract: The self-assembly of liquid crystal droplets and shells represents a captivating frontier in soft matter physics, promising precision engineering of functional materials. In this study, we delve into the phase behavior and investigate defect formation patterns in spherical shell-confined discotic liquid crystals (DLCs) through NpT Monte Carlo simulations. These shells are created by confining DLCs between two spherical surfaces, promoting the same anchoring. In this study, we focus on the case when both surfaces promote edge-on (planar) anchoring. Our study confirms a general result which states that, when a liquid crystal is under strong confinement, the nature of the isotropic-nematic transition changes from first order into continuous. Furthermore, as expected, topological defects at the spherical surface arise due to the topological constraints on the director field. Notably, our investigation reveals a unique topological defect configuration, characterized by the formation of four disclination lines that bridge the inner and external surfaces. Additionally, we observe a mixed ±1/2 wedge-twist disclination line that forms an arch that terminates at the outer surface. This arch decreases its length with decreasing temperature to eventually disappear.
volume: 110
related by: authorship_75619
doi: 10.1103/PhysRevE.110.034704
has publication venue: Physical Review E

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type: Class

Physical Review E
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type: Continuant
type: Information Content Entity
publication venue for: Edge-on anchored discotic liquid crystals in spherical shells: A computational study of the phases and defects
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type: Generically Dependent Continuant
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type: Periodical
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type: Journal

Continuant
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date: 2026-08-27T04:48:02
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