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Orientational transitions in lyotropic nematic mesophases: Optical conoscopic studies

A. NESRULLAJEV1,*

Affiliation

  1. Muğla Sıtkı Koçman University, Faculty of Natural Sciences, Department of Physics, Laboratory of Liquid and Solid Crystals, 48000 Kötekli Muğla, Turkey

Abstract

Dynamics of orientational and structural transformations between the optical uniaxial and biaxial lyotropic nematic mesophases has been investigated. These transformations have been studied using the polarizing optical microscopy technique and the conoscopic images. Investigations have been carried out both under influence of the external magnetic field and without this field. Dynamics of transformations of the conoscopic images at structural and thermotropic transitions are presented..

Keywords

Liquid crystal, Lyotropic nematic, Micelle, Conoscopy, Optical anisotropy, Diamagnetic anisotropy.

Submitted at: May 20, 2014
Accepted at: March 19, 2015

Citation

A. NESRULLAJEV, Orientational transitions in lyotropic nematic mesophases: Optical conoscopic studies, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 3-4, pp. 357-361 (2015)