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Molecular Crystals and Liquid Crystals Volume 632, 2016 - Issue 1: 13th European Conference on Liquid Crystals (ECLC 2015)
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Original Articles

Ferroelectric state induced in mixture of dimer liquid crystal and perfluorooctanoic acid

Boyko KatranchevG. Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia, BulgariaCorrespondence[email protected]
,
Minko PetrovG. Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia, Bulgaria
,
Peter RafailovG. Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia, Bulgaria
,
Neno TodorovFaculty of Physics, University of Sofia “St. Kl. Ohridski”, Sofia, Bulgaria
,
Elka KeskinovaG. Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia, Bulgaria
,
Haritun NaradikianG. Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, Sofia, Bulgaria
&
Tony SpassovFaculty of Chemistry and Pharmacy, University of Sofia “St. Kl. Ohridski”, Sofia, Bulgaria
 show all
Pages 21-28 | Published online: 17 Aug 2016
 
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ABSTRACT

Phase transitions and electro-optical effects are studied in a nanocomposites, grown by mixing heptyloxybenzoic acid (7OBA), displaying hydrogen bonded dimeric liquid crystal (LC) state, with perfluorooctanoic acid. Due to the interaction with the dopant structural units the dimer rings of the LC matrix bent. As a result, transitions from achiral to chiral states, including ferroelectric smectic CG with the lowest C1 symmetry take place.

Acknowledgments

The work is supported by grant DFNI-Т02/18.

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