Refractive indices, lorentz field factors, order parameters in pube and binary nematic mixtures

Sunanda, D. and Madhava, M. S. and Revannasiddaiah, D. and Somashekar, R. and Mahadevo, J. (2004) Refractive indices, lorentz field factors, order parameters in pube and binary nematic mixtures. MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 409. pp. 163-174. ISSN 1542-1406

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Abstract

Using the small angle prism technique refractive indices are measured at different temperatures in the nematic phase of (i) two nematogenic compounds, viz., hexylbenzoic acid (HBA) and diheptyl azoxybenzene (DHAB), and (ii) binary mixtures of HBA and octylbenzoic acid(OBA) (Mixture-I), and DHAB and nonylbenzoic acid (NBA) (Mixture-II). From the measured refractive index data and employing Neugebauer relations, anisotropy of Lorentz field factors and orientational order parameter have been estimated. The higher order parameter <P-4> has also been computed using the Humphries-James-Luckhurst model and is compare i with that of Maier-Saupe model.

Item Type:	Article
Additional Information:	19th International Liquid Crystal Conference, EDINBURGH, SCOTLAND, JUN 30-JUL 05, 2002
Uncontrolled Keywords:	nematics; optical textures; order parameter
Subjects:	D Physical Science > Physics
Divisions:	Department of > Physics
Depositing User:	Users 23 not found.
Date Deposited:	20 Aug 2019 11:46
Last Modified:	20 Aug 2019 11:46
URI:	http://eprints.uni-mysore.ac.in/id/eprint/6646

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