Electrooptic behaviour of a nematic MBBA layer with a thick interfacial surfactant layer | Zendy

Hinov H. P. | Zendy

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Electrooptic behaviour of a nematic MBBA layer with a thick interfacial surfactant layer

Author(s) -

Hinov H. P.

Publication year - 1987

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.2170220327

Subject(s) - mbba , liquid crystal , anchoring , pulmonary surfactant , cationic polymerization , layer (electronics) , materials science , molecule , chemistry , chemical physics , composite material , polymer chemistry , organic chemistry , biochemistry , optoelectronics , structural engineering , engineering

The electro‐optic behaviour of MBBA nematic layers with various surfactants added of anionic, cationic, zwitterionic and non‐ionic character and a considerable amount (2wt% to 8 wt%) was studied. The formation of surface‐induced flexoelectric domains in all cases clearly showed that the anchoring of the liquid crystal layers has been weak. Such a weak anchoring can be explained with the formation of a perioidc (in the most simple case sinusoidal) MBBA‐surfactant interface boundary with a mutual penetration of the liquid crystal and surfactant molecules with some gradient.

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