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Title: Chromonic liquid crystalline nematic phase exhibited in binary mixture of two liquid crystals

A binary mixture of abietic acid and orthophosphoric acid (H{sub 3}PO{sub 4}) exhibits co-existence of biphasic region of Nematic+Isotropic (N+I), lyotropic Nematic (ND) and Smectic-G (SmG) phases. The mixture exhibits N+I, N and SmG phases at different concentrations and at different temperatures. Mixtures with all concentrations of abietic acid exhibit I→N+I→N→SmG phases sequentially when the specimen is cooled from its isotropic melt. These phases have been characterized by using differential scanning calorimetric, X-ray diffraction, and optical texture studies.
Authors:
;  [1] ; ; ;  [2]
  1. Post-Graduate Department of Physics, Government College (Autonomous), Mandya-571401 (India)
  2. Government College for Boys, Kolar-563101 (India)
Publication Date:
OSTI Identifier:
22490207
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABUNDANCE; BINARY MIXTURES; CALORIMETRY; CONCENTRATION RATIO; DIFFERENTIAL THERMAL ANALYSIS; LIQUID CRYSTALS; PHASE STABILITY; PHASE STUDIES; PHOSPHORIC ACID; SMECTITE; TEMPERATURE DEPENDENCE; TEXTURE; X-RAY DIFFRACTION