Nematic-isotropic phase transition of binary liquid crystal mixtures |
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Authors: | Deng-Ke Yang Y. Yin H. Liu |
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Affiliation: | a Chemical Physics Interdisciplinary Program and Liquid Crystal Institute, Kent State University, Kent, USA |
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Abstract: | We experimentally studied the nematic-isotropic phase transition of (a) binary mixtures consisting of nematic and racemic liquid crystals and (b) binary mixtures consisting of positive and negative dielectric liquid crystals. We observed that the phase transition temperature is very sensitive to the chemical structures of the constituent components. We also used Maier-Saupe theory to calculate the transition temperature of binary mixtures. By fitting the experimental data, we obtained the interaction coupling constant between the constituent components. |
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