Physical properties of diphenyldiacetylenic liquid crystals

Optical and electro-optic properties of two highly conjugated diphenyldiacetylenic liquid crystals (LCs) [1.4-bis-(4-propylphenyl)-butadiyne, abbreviated as PTTP-mm] and their eutectic mixture were characterized in the nematic range. These LCs are found to exhibit extraordinarily high birefringence...

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Bibliographic Details
Published in:Journal of applied physics 1989-06, Vol.65 (11), p.4372-4376
Main Authors: SHIN-TSON WU, FINKENZELLER, U, REIFFENRATH, V
Format: Article
Language:English
Subjects:
Birefringence (including stress birefringence, flow birefringence, etc.)
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Physics
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Summary:Optical and electro-optic properties of two highly conjugated diphenyldiacetylenic liquid crystals (LCs) [1.4-bis-(4-propylphenyl)-butadiyne, abbreviated as PTTP-mm] and their eutectic mixture were characterized in the nematic range. These LCs are found to exhibit extraordinarily high birefringence and very low viscoelastic coefficient. Their figure of merit is significantly higher than that of the widely used commercial LC mixture BDH-E7. Potential application of PTTP-mm in modulating infrared radiation is addressed.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.343275