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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202212067
|2 doi
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|a pubmed24n1178.xml
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|a (DE-627)NLM353532770
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|a (NLM)36847158
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Marni, Stefano
|e verfasserin
|4 aut
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|a Walking Ferroelectric Liquid Droplets with Light
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.06.2023
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|a Date Revised 01.06.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The motion of ferroelectric liquid sessile droplets deposited on a ferroelectric lithium niobate substrate can be controlled by a light beam of moderate intensity irradiating the substrate at a distance of several droplet diameters from the droplet itself. The ferroelectric liquid is a nematic liquid crystal, in which almost complete polar ordering of the molecular dipoles generates an internal macroscopic polarization locally collinear to the mean molecular long axis. Upon entering the ferroelectric phase, droplets are either attracted toward the center of the beam or repelled, depending on the side of the lithium niobate exposed to light irradiation. Moreover, moving the beam results in walking the ferroelectric droplet over long distances on the substrate. This behavior is understood as due to the coupling between the polarization of the ferroelectric droplet and the polarization photoinduced in the irradiated region of the lithium niobate substrate. Indeed, the effect is not observed in the conventional nematic phase, suggesting the crucial role of the ferroelectric liquid crystal polarization
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|a Journal Article
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|a ferroelectric nematic liquid crystals
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|a lithium niobate
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|a optical control
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|a sessile droplets
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|a Nava, Giovanni
|e verfasserin
|4 aut
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1 |
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|a Barboza, Raouf
|e verfasserin
|4 aut
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1 |
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|a Bellini, Tommaso Giovanni
|e verfasserin
|4 aut
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|a Lucchetti, Liana
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 22 vom: 16. Juni, Seite e2212067
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:35
|g year:2023
|g number:22
|g day:16
|g month:06
|g pages:e2212067
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|u http://dx.doi.org/10.1002/adma.202212067
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