Hexagonal arrays in nematic liquid crystals

Petrescu, P.

doi:10.1016/0030-4018(76)90361-8

Optics Communications

1976

DOI: 10.1016/0030-4018(76)90361-8

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Hexagonal arrays in nematic liquid crystals

P. Petrescu¹

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1979

1981

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“…Similar grid patterns were observed by S. Kai and K. Hirakava [117] as well. These patterns are different from the hydrodynamically formed grids which were obtained by many authors ( [118]- [122]). K. Miyakawa and S. Akahoshi [123] give an interesting theoretical model for the superposition of parallel and perpendicular domains.…”

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confidence: 92%

Parallel and cross-like domains due to d.c. and low frequency (< 2 Hz) electric fields in nematic liquid crystal layers with negative dielectric anisotropy

Hinov

Vistin

1979

J. Phys. France

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2014 On étudie les domaines parallèles et croisés obtenus par application de champs électriques continus et basse fréquence ( 2 Hz) sur des cristaux liquides MBBA et 440 à anisotropie de susceptibilité diélectrique négative. Les principaux résultats sont : 2014 la reproductibilité des domaines parallèles particulièrement pour des couches inclinées d'épaisseur 5-90 03BCm avec un ancrage faible assuré par un agent tensio-actif (savon) ; 2014 la création de domaines en croix dans des couches minces homéotropes ; ces domaines apparaissent dans la région de la cathode et sont dus au fort champ inhomogène générateur de structures flexion-éventail séparées par des disclinaisons.Parmi les mécanismes électrostatiques et électrodynamiques connus, seul l'effet flexoélectrique dû à un gradient de champ électrique peut expliquer la formation de ces domaines.

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confidence: 92%

Parallel and cross-like domains due to d.c. and low frequency (< 2 Hz) electric fields in nematic liquid crystal layers with negative dielectric anisotropy

Hinov

Vistin

1979

J. Phys. France

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Deformations Periodiques Induites par une Forte Agitation Hydrogynamique dans un Nematique en Regime de Conduction

Bolomey

Robert

1981

Molecular Crystals and Liquid Crystals

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Hexagonal arrays in nematic liquid crystals

Cited by 2 publications

References 2 publications

Parallel and cross-like domains due to d.c. and low frequency (< 2 Hz) electric fields in nematic liquid crystal layers with negative dielectric anisotropy

Parallel and cross-like domains due to d.c. and low frequency (< 2 Hz) electric fields in nematic liquid crystal layers with negative dielectric anisotropy

Deformations Periodiques Induites par une Forte Agitation Hydrogynamique dans un Nematique en Regime de Conduction

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