Search Results - "Jákli, A"
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1
Helical nanofilaments of bent-core liquid crystals with a second twist
Published in Nature communications (19-02-2014)“…The B4 phase of bent-core liquid crystals has been shown to be an assembly of twisted layers stacked to form helical nanofilaments. Interestingly, some of them…”
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2
Electro-mechanical effects in liquid crystals
Published in Liquid crystals (01-06-2010)“…Linear and quadratic electromechanical effects of liquid crystals are reviewed. Among the linear effects the piezoelectric and flexoelectric effects and their…”
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3
Giant flexoelectricity of bent-core nematic liquid crystals
Published in Physical review letters (13-10-2006)“…Flexoelectricity is a coupling between orientational deformation and electric polarization. We present a direct method for measuring the flexoelectric…”
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4
A ferroelectric nematic liquid crystal vitrified at room temperature
Published in Liquid crystals (27-05-2024)“…Most of the current highly polar rod-shaped molecules that form ferroelectric nematic (N F ) phase do so only at elevated temperatures and multicomponent…”
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5
Nanostructure and dielectric properties of a twist-bend nematic liquid crystal mixture
Published in Liquid crystals (02-11-2014)“…We present freeze-fracture transmission electron microscopy (FF-TEM), dielectric spectroscopy and electro-optic measurements on a dimeric liquid crystal…”
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6
Mesomorphism of novel stilbene-based bent-core liquid crystals
Published in Liquid crystals (28-05-2021)“…A series of asymmetric bent-core liquid crystals, bearing the stilbene moiety in the side wing, was synthesised and characterised. Structural modifications of…”
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7
Nanostructure of Edge Dislocations in a Smectic-C Liquid Crystal
Published in Physical review letters (21-08-2015)“…We report on the first direct nanoscale imaging of elementary edge dislocations in a thermotropic smectic-C* liquid crystal with the Burgers vector equal to…”
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8
Magnetic-field induced isotropic to nematic liquid crystal phase transition
Published in Physical review letters (12-12-2008)“…We report on measurements of magnetic-field induced nematic order in the bent-core liquid crystal 4-chlororesorcinol bis[4-(4-n-dodecyloxybenzoyloxy)…”
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9
Large flow birefringence of nematogenic bent-core liquid crystals
Published in Physical review letters (04-12-2009)“…We have found that bent-core liquid crystalline materials show exceptionally large intrinsic flow birefringence in their isotropic liquid phase. This effect is…”
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10
Role of molecular shape on bent-core liquid-crystal structures
Published in Physical review letters (16-11-2007)“…We show how frustrations in molecular packing generated by molecular substitutions and electrostatic potentials necessitate a local C1 symmetry and lead to…”
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11
Manipulation of the nanoscale heliconical structure of a twist-bend nematic material with polarized light
Published in Physical review research (02-07-2020)“…The effect of polarized violet light on the alignment and the heliconical pitch of a liquid crystal dimer containing both sulfur atoms and an azo linkage has…”
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12
Electrical transport properties and fractional dynamics of twist-bend nematic liquid crystal phase
Published in Communications in nonlinear science & numerical simulation (01-05-2019)“…•Dielectric characterization of twist - bend nematic liquid crystal.•Diffusion through modulated material indicates the existence of pseudolayerd…”
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13
Highly piezoelectric biocompatible and soft composite fibers
Published in Applied physics letters (06-02-2012)“…We report the fabrication of highly piezoelectric biocompatible soft fibers containing barium titanate ferroelectric ceramic particles dispersed in electrospun…”
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14
Giant flexoelectricity in bent-core nematic liquid crystal elastomers
Published in Applied physics letters (08-03-2010)“…Recently ferroelectric ceramic and bent-core nematic liquid crystals have demonstrated flexoelectricity (coupling between curvature strains to electric…”
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15
Direct piezoelectric responses of soft composite fiber mats
Published in Applied physics letters (15-04-2013)“…Recently soft fiber mats electrospun from solutions of Barium Titanate (BT) ferroelectric ceramics particles and polylactic acid (PLA) were found to have large…”
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16
Liquid crystal spherical caps in magnetic fields
Published in Physical review research (02-06-2020)“…Spherical cap shaped liquid crystal drops have potential for use in tunable multifocal optical lenses. To achieve this, one needs to understand the liquid…”
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17
Spontaneously modulated chiral nematic structures of flexible bent-core liquid crystal dimers
Published in Liquid crystals (02-01-2017)“…We report the induction of spontaneously undulated chiral nematic structures of liquid crystal (LC) dimers with rigid aromatic molecular arms linked by…”
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18
Cryo-TEM studies of two smectic phases of an asymmetric bent-core material
Published in Liquid crystals (01-12-2013)“…Cryo-TEM studies on two smectic phases of an asymmetric bent-core liquid crystal material are presented and compared to prior X-ray results obtained in bulk…”
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19
Stress-Driven Dynamic Behavior of Free-Standing Bent-Core Liquid Crystal Filaments
Published in Ferroelectrics (18-08-2014)“…We present results on the effect of extension and compression on liquid crystal filaments formed in the B 7 phase of bent-core mesogens. There are three…”
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20
Viscosities of a bent-core nematic liquid crystal
Published in Liquid crystals (01-02-2008)“…Viscosity measurements are reported for a bent-core nematic liquid crystal, 4- chloro-1,3-phenylenebis{4-[4′-(9-decenyloxy)benzoyloxy]} benzoate (ClPbis10BB)…”
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