Induced smectic and chiral smectic phase in racemic mixture of cholesteryl compounds

Nagappa, . and Jagadish, K.N. and Shivaprasad, A. and Mahadeva, J. and Alapati, P.R. (1997) Induced smectic and chiral smectic phase in racemic mixture of cholesteryl compounds. Molecular Crystals and Liquid Crystals Science and Technology Section A-Molecular Crystals and Liquid Crystals, 301 (1). pp. 1-6.

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Abstract

The racemic mixture of cholesteryl chloride(ChCl) and cholesteryl myristate(ChMy) exhibit a compensated nematic phase at critical concentration and temperature. The mixtures of concentration from 1 to 10% ChCl and 88% to 100% of ChCl exhibit smectic phase and cholesteric phase respectively. The middle concentrations are exhibiting S-A-S-c*-S-c phases. Typically the mixture with 72.3% cholesteryl chloride exhibit I-S-A-S-c*-S-c phases sequentially. X-ray diffraction, DSC and optical texture studies have been carried out for five concentrations. The pitch and tilt angle of the chiral smectic phase is measured. Interesting optical textures are also illustrated.

Item Type: Article
Additional Information: 16th International Liquid Crystal Conference, KENT STATE UNIV, KENT, OH, JUN 24-28, 1996
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: lpa venkatesh user
Date Deposited: 27 May 2021 08:37
Last Modified: 27 May 2021 08:37
URI: http://eprints.uni-mysore.ac.in/id/eprint/16654

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