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Kinetics of the growth of the ordered phase at isotropic liquid-nematic phase transition in mesomorphic dimers

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Abstract

The kinetics of the growth of ordered phase drops at isotropic liquid-nematic phase transition in melts of mesomorphic dimers on cooling was studied by polarization optical microscopy. The drop size on microscopic images was analyzed statistically, and the histograms obtained were described by an equation deduced within the framework of equilibrium irreversible thermodynamics. Analysis of the equation parameters revealed three steps of the kinetics of drop growth and allowed their analytical description by a universal scaling function. The correlation between the kinetics of phase transitions and the molecular structure and dipole architecture of the mesomorphic dimers was demonstrated.

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Correspondence to V. V. Zuev.

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Original Russian Text © V.V. Zuev, S.V. Kostromin, S.V. Bronnikov, 2007, published in Zhurnal Obshchei Khimii, 2007, Vol. 77, No. 12, pp. 1945–1949.

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Zuev, V.V., Kostromin, S.V. & Bronnikov, S.V. Kinetics of the growth of the ordered phase at isotropic liquid-nematic phase transition in mesomorphic dimers. Russ J Gen Chem 77, 2091–2095 (2007). https://doi.org/10.1134/S107036320712002X

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  • DOI: https://doi.org/10.1134/S107036320712002X

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