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Stiffening Liquid Crystal Elastomers with Liquid Crystal Inclusions. [PDF]

open access: yesAdv Mater
Abstract Liquid crystal elastomers (LCEs) are promising building blocks for soft robots, given their large, programmable, reversible, and stimuli‐responsive shape change. Enhancing LCEs’ stiffness and toughness has been a longstanding desire previously explored by reinforcing them with fillers, crystalline microdomains, and ...
Vasanji S   +7 more
europepmc   +5 more sources

Soliton walls paired by polar surface interactions in a ferroelectric nematic liquid crystal

open access: yesNature Communications, 2022
Surface interactions are usually polar along the normal to the interface and apolar within the interface. Here, the authors find that polar in-plane surface interactions produce domain structures in the bulk of a ferroelectric nematic liquid crystal.
Bijaya Basnet   +7 more
doaj   +1 more source

Ferroelectric nematic liquids with conics

open access: yesNature Communications, 2023
Defect lines shaped as conic sections are common in smectic liquid crystals, where they manifest equidistance of molecular layers curled in space. Here authors present hyperbolas and parabolas as domain walls in ferroelectric nematics, which are shaped ...
Priyanka Kumari   +3 more
doaj   +1 more source

Azimuthal Anchoring Strength in Photopatterned Alignment of a Nematic

open access: yesCrystals, 2021
Spatially-varying director fields have become an important part of research and development in liquid crystals. Characterization of the anchoring strength associated with a spatially-varying director is difficult, since the methods developed for a ...
H. Nilanthi Padmini   +3 more
doaj   +1 more source

Synthesis and Characterization of Novel Bio-Chiral Dopants Obtained from Bio-Betulin Produced by a Fermentation Process

open access: yesCrystals, 2021
Cholesteric liquid crystals are frequently produced by the addition of chiral dopants to achiral nematic hosts. We report here the synthesis and performance of chiral dopants obtained from bio-betulin produced by a fermentation process.
Veridiana G. Guimarães   +6 more
doaj   +1 more source

Self-Localized Liquid Crystal Micro-Droplet Arrays on Chemically Patterned Surfaces

open access: yesCrystals, 2021
Liquid crystal (LC) micro-droplet arrays are elegant systems that have a range of applications, such as chemical and biological sensing, due to a sensitivity to changes in surface properties and strong optical activity.
Jakub Kołacz, Qi-Huo Wei
doaj   +1 more source

Artificial web of disclination lines in nematic liquid crystals

open access: yesNature Communications, 2017
Disclination lines are topological defects in molecular orientation widely found in liquid crystals. Here Wang et al. use a surface patterning technique to produce a very stable freestanding 3D array of ½ twist disclinations, which could be exploited in ...
Mengfei Wang   +2 more
doaj   +1 more source

Three-dimensional solitary waves with electrically tunable direction of propagation in nematics

open access: yesNature Communications, 2019
In a previous work, the authors have demonstrated the formation of localized waves in nematic liquid crystals driven by an electric field. Here they demonstrate the realization of solitary waves of (3+2)D type which can be steered along longitudinal and ...
Bing-Xiang Li   +4 more
doaj   +1 more source

Effect of ion trapping behavior of TiO2 nanoparticles on different parameters of weakly polar nematic liquid crystal

open access: yesJournal of Theoretical and Applied Physics, 2018
In the present investigation, TiO2-doped weakly polar nematic liquid crystal (NLC) has been studied. This study mainly focuses on dielectric, electro-optical and optical properties of pure NLC and doped systems.
Geeta Yadav   +3 more
doaj   +1 more source

Gram-to-Kilogram Scale-Up Synthesis of 2,2’-Diallylbisphenol through a Microchannel Reactor [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
A continuous-flow synthetic platform utilizing a microchannel reactor was developed here to realize the gram-to-kilogram scale-up synthesis of 2,2’-diallylbisphenol A (DABPA) via thermal Claisen rearrangement with high efficiency and safety.
Danyang Wan   +5 more
doaj   +1 more source

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