Induced polymorphism of smectic phases in binary mixture of non-mesogenic compounds

Govindaiah, T. N. and Sreepad, H. R. and Nagappa (2015) Induced polymorphism of smectic phases in binary mixture of non-mesogenic compounds. MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 607 (1). pp. 41-49. ISSN 1563-5287

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Official URL: https://doi.org/10.1080/15421406.2014.927553

Abstract

We report the results of our studies on the optical and thermal properties of the mixture of sodium dodecyl sulfate (SDS) and orthophosphoric acid (H3PO4), which exhibits very interesting induced polymorphic smectic phases such as smectic-A, smectic-D, smectic-B, and smectic-E phases, sequentially when the specimen is cooled from its isotropic liquid phase. Different liquid crystalline phases observed in the mixture were studied using differential scanning calorimetry (DSC), X-ray, and optical microscopic techniques. The temperature variation of optical anisotropy has also been discussed. Helfrich potential and elastic moduli have been estimated in the smectic phase using Helfrich model.

Item Type: Article
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: Shrirekha N
Date Deposited: 17 Jun 2019 05:15
Last Modified: 17 Jun 2019 05:15
URI: http://eprints.uni-mysore.ac.in/id/eprint/2802

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