Twisted domains in ferroelectric nematic liquid crystals

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F24%3A00585828" target="_blank" >RIV/68378271:_____/24:00585828 - isvavai.cz</a>
Result on the web
<a href="https://hdl.handle.net/11104/0353502" target="_blank" >https://hdl.handle.net/11104/0353502</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.molliq.2024.124873" target="_blank" >10.1016/j.molliq.2024.124873</a>

Result language
angličtina
Original language name
Twisted domains in ferroelectric nematic liquid crystals
Original language description
Ferroelectric nematics present properties promising for applications, which strongly depend on the confinement conditions and the presence of defects. In this work, we have observed and analysed textures in the cells with homogeneous geometry for a ferroelectric nematogen. The studied compound reveals the ferroelectric nematic phase, NF, directly on cooling from the isotropic phase. The NF phase is stable and persists down to the room temperatures. Textures in the homogeneous cell with antiparallel alignment prefer to be arranged in twisted domains with borderlines oriented preferentially in the perpendicular direction with respect to the surface alignment (rubbing direction). We have described these domains and developed a model of 2π disclinations, which are separating the areas with an opposite twist sense. We discussed the character of disclination charge and explained why these disclination lines prefer to be oriented perpendicularly to the rubbing direction.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project
<a href="/en/project/8I23001" target="_blank" >8I23001: Epoch-making ferroic fluids based multi-functional materials</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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