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Twist viscoelastic coefficient of novel thiol terminated alkoxy-cyanobiphenyl nematic liquid crystals
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10.1063/1.2723741
/content/aip/journal/jcp/126/16/10.1063/1.2723741
http://aip.metastore.ingenta.com/content/aip/journal/jcp/126/16/10.1063/1.2723741

Figures

Image of FIG. 1.
FIG. 1.

Structure of thiol terminated pentyloxy-cyanobiphenyl (5OSH) molecule.

Image of FIG. 2.
FIG. 2.

The variation of and for thiol-terminated alkoxy-cyanobiphenyl materials as a function of temperature for different lengths of alkoxy chains. For comparison we have shown the values of and for 6OCB (open circles). Here, is the nematic to isotropic transition temperature.

Image of FIG. 3.
FIG. 3.

Twist viscoelastic coefficient of the homologous series of thiol terminated alkoxy-cyanobiphenyl in the nematic phase as a function of reduced temperature. Solid lines are cue to the eyes.

Image of FIG. 4.
FIG. 4.

The twist viscoelastic coefficient of 6OCB (empty squares) and 6OSH (filled triangles) as a function of reduced temperature. Solid lines are cue to the eyes.

Image of FIG. 5.
FIG. 5.

The variation of as a function of absolute temperature for 6OSH under the applied electric field. Here, is the dielectric anisotropy and is the twist viscosity.

Tables

Generic image for table
Table I.

A comparison of the values of twist viscoelastic coefficient for various thermotropic nematic systems reported in literature.

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/content/aip/journal/jcp/126/16/10.1063/1.2723741
2007-04-24
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Twist viscoelastic coefficient of novel thiol terminated alkoxy-cyanobiphenyl nematic liquid crystals
http://aip.metastore.ingenta.com/content/aip/journal/jcp/126/16/10.1063/1.2723741
10.1063/1.2723741
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