Investigation of a Twisted Phase between the Cholesteric and the Smectic A Phase | Zendy

Chanishvili A. | Zendy; Chilaya G. | Zendy; Petriashvili G. | Zendy; Neundorf M. | Zendy; Pelzl G. | Zendy

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Investigation of a Twisted Phase between the Cholesteric and the Smectic A Phase

Author(s) -

Chanishvili A.,

Chilaya G.,

Petriashvili G.,

Neundorf M.,

Pelzl G.

Publication year - 1996

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170310526

Subject(s) - mesophase , dopant , phase (matter) , materials science , liquid crystal , texture (cosmology) , ternary operation , reflection (computer programming) , crystallography , condensed matter physics , chemistry , doping , organic chemistry , physics , optoelectronics , artificial intelligence , computer science , image (mathematics) , programming language

In a ternary mixture of two liquid crystals and a non‐mesomorphic chiral dopant an intermediate state with an unusual texture was found between the cholesteric and the S A phase which could be identified as a separate twisted mesophase. The reflection wavelength of this mesophase does not change with temperature whereas the transmission of unpolarized light decreases from 50 to 20%. The experimental findings point to the existence of a twisted grain boundary phase.

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