Study of phase transitions in polymorphic liquid crystals

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Nesrullajev A., Salihoglu S., Yurtseven H. H.

INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol.12, no.2, pp.213-224, 1998 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 12 Issue: 2
• Publication Date: 1998
• Doi Number: 10.1142/s0217979298000168
• Journal Name: INTERNATIONAL JOURNAL OF MODERN PHYSICS B
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.213-224
• Middle East Technical University Affiliated: No

Abstract

This work presents our investigations of mezomorphic properties of two polymorphic liquid crystals, namely, 4-nonyloxy-4-butoxyphenyl benzoate and N-(-4-heptyloxybenzylidene-4-butylaniline) in a wide temperature range, particularly, in the phase transition regions. By means of an original Experimental method. the heterophase regions and also the phase transition temperatures have been determined for these materials with high accuracy. These phase transition intervals have been analyzed using a mean field model.