Co-revolving topological defects in a nematic liquid crystal

Susser, Adam L.; Kralj, Samo; Rosenblatt, Charles

doi:10.1039/d1sm01124c

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Time Evolution Of the Buildup And Decay Processes Of Patterns1

Introduction1

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2022

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Cited by 4 publications

(2 citation statements)

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“…These defects thus crucially affect the transition times. Recent studies also pointed out that interaction of EC with topological defects may yield new dynamic features [46][47][48].…”

Section: Time Evolution Of the Buildup And Decay Processes Of Patternsmentioning

confidence: 99%

Electric-field-induced patterns in a hockey-stick nematic

Zhang

Xiang

Ding

et al. 2022

Journal of Molecular Liquids

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“…These defects thus crucially affect the transition times. Recent studies also pointed out that interaction of EC with topological defects may yield new dynamic features [46][47][48].…”

Section: Time Evolution Of the Buildup And Decay Processes Of Patternsmentioning

confidence: 99%

Electric-field-induced patterns in a hockey-stick nematic

Zhang

Xiang

Ding

et al. 2022

Journal of Molecular Liquids

View full text Add to dashboard Cite

“…It is related to the shape and size of the MNPs and their interaction with the NLCs. This cubic magneto-nematic coupling term [24] enforces the specific orientations of the magnetic and nematic components essential for the emergence of biaxial order in the system [15,38]. A more accurate description of the free energy can be obtained by incorporating dipolar and quadrupolar interactions.…”

Section: Introductionmentioning

confidence: 99%

Emergence of biaxiality in nematic liquid crystals with magnetic inclusions: Some theoretical insights

2022

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The biaxial phase in nematic liquid crystals has been elusive for several decades after its prediction in the 1970s. A recent experimental breakthrough was achieved by Liu et al. [PNAS 113, 10479 (2016)] in a liquid crystalline medium with magnetic nanoparticles (MNPs). They exploited the different length-scales of dipolar and magneto-nematic interactions to obtain an equilibrium state where the magnetic moments are at an angle to the nematic director. This tilt introduces a second distinguished direction for orientational ordering or biaxiality in the two-component system. Using coarse-grained Ginzburg-Landau free energy models for the nematic and magnetic fields, we provide a theoretical framework which allows for manipulation of morphologies and quantitative estimates of biaxial order.

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