X-ray scattering of nematic liquid crystal nanodispersion with negative dielectric anisotropy [Invited]

A nematic liquid crystal (LC) mixture was doped with harvested ferroelectric BaTiO3 nanoparticles and investigated with wide- and small-angle x-ray scattering upon heating from the nematic to the isotropic phase. At moderate temperatures, colloidal crystallites were observed. LC test cells with home...

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Bibliographic Details
Published in:Applied optics (2004) 2013-08, Vol.52 (22), p.E1-E5
Main Authors: Lorenz, Alexander, Zimmermann, Natalie, Kumar, Satyendra, Evans, Dean R, Cook, Gary, Fernández Martínez, Manuel, Kitzerow, Heinz-S
Format: Article
Language:English
Subjects:
Anisotropy
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Summary:A nematic liquid crystal (LC) mixture was doped with harvested ferroelectric BaTiO3 nanoparticles and investigated with wide- and small-angle x-ray scattering upon heating from the nematic to the isotropic phase. At moderate temperatures, colloidal crystallites were observed. LC test cells with homeotropic anchoring were placed in the x-ray beam and the realignment of the LC director was investigated upon applying an electric field.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.52.0000E1