Effect of elastic constants on electrically induced transition in twisted radial cholesteric droplets

Vladimir Yu Rudyak; Mikhail N. Krakhalev; Anna P. Gardymova; Abylgazy S. Abdullaev; Andrey A. Alekseev; Victor Ya Zyryanov

doi:10.1038/s41598-022-13612-4

Effect of elastic constants on electrically induced transition in twisted radial cholesteric droplets

Vladimir Yu Rudyak^*, Mikhail N. Krakhalev, Anna P. Gardymova, Abylgazy S. Abdullaev, Andrey A. Alekseev, Victor Ya Zyryanov

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

In this work, we investigated the behavior of cholesteric droplets with homeotropic boundary conditions experimentally and by computer simulations. Small droplets forming twisted radial structures were studied. We obtained two different paths of structural transformations under electric field in such droplets. The choice between these paths has probabilistic nature. The ratio between the two transition types was found to be sensitive to the elastic constants of LC forming the droplet. We suggest the principal approach for in situ estimation of ratios between elastic constants in cholesteric LCs deposited in polymer-dispersed LC material and discuss its strong and weak sides.

Original language	English
Article number	9565
Journal	Scientific Reports
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41598-022-13612-4
State	Published - Dec 2022
Externally published	Yes

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title = "Effect of elastic constants on electrically induced transition in twisted radial cholesteric droplets",

abstract = "In this work, we investigated the behavior of cholesteric droplets with homeotropic boundary conditions experimentally and by computer simulations. Small droplets forming twisted radial structures were studied. We obtained two different paths of structural transformations under electric field in such droplets. The choice between these paths has probabilistic nature. The ratio between the two transition types was found to be sensitive to the elastic constants of LC forming the droplet. We suggest the principal approach for in situ estimation of ratios between elastic constants in cholesteric LCs deposited in polymer-dispersed LC material and discuss its strong and weak sides.",

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doi = "10.1038/s41598-022-13612-4",

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AU - Rudyak, Vladimir Yu

AU - Krakhalev, Mikhail N.

AU - Gardymova, Anna P.

AU - Abdullaev, Abylgazy S.

AU - Alekseev, Andrey A.

AU - Zyryanov, Victor Ya

PY - 2022/12

Y1 - 2022/12

N2 - In this work, we investigated the behavior of cholesteric droplets with homeotropic boundary conditions experimentally and by computer simulations. Small droplets forming twisted radial structures were studied. We obtained two different paths of structural transformations under electric field in such droplets. The choice between these paths has probabilistic nature. The ratio between the two transition types was found to be sensitive to the elastic constants of LC forming the droplet. We suggest the principal approach for in situ estimation of ratios between elastic constants in cholesteric LCs deposited in polymer-dispersed LC material and discuss its strong and weak sides.

AB - In this work, we investigated the behavior of cholesteric droplets with homeotropic boundary conditions experimentally and by computer simulations. Small droplets forming twisted radial structures were studied. We obtained two different paths of structural transformations under electric field in such droplets. The choice between these paths has probabilistic nature. The ratio between the two transition types was found to be sensitive to the elastic constants of LC forming the droplet. We suggest the principal approach for in situ estimation of ratios between elastic constants in cholesteric LCs deposited in polymer-dispersed LC material and discuss its strong and weak sides.

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JF - Scientific Reports

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Effect of elastic constants on electrically induced transition in twisted radial cholesteric droplets

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