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

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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 C_G with the lowest C₁ symmetry take place.

KEYWORDS:

Acknowledgments

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

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

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

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