AI Article Synopsis
- The study focuses on how polar liquid-crystalline films develop finger-like and labyrinthine instability patterns when undergoing a phase transition.
- External electric fields applied in the film plane can reversibly affect the creation of these textures.
- The labyrinth pattern is connected to specific splay deformations in the polarization of the films.
Article Abstract
We report on fingering and labyrinthine instabilities of the layer dislocation lines in freely suspended polar liquid-crystalline films. These polar fingerlike and labyrinth structures reversibly form upon a transition into a modulated phase. External electric fields of several kV/m applied in the film plane can reversibly influence the formation of the finger textures. We show that the labyrinthine pattern is intrinsically related to regular splay deformations of the polarization.
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| http://dx.doi.org/10.1103/PhysRevE.88.062512 | DOI Listing |
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