Self-diffusion of nematic liquid crystals in the isotropic phase near the nematic-isotropic transition |
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Authors: | SK Ghosh E Tettamanti |
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Institution: | Instituto di Fisica, Università, L''Aquila, Italy |
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Abstract: | Self-diffusion coefficients of two nematic-liquid crystals, PAA and MBBA, were measured by the spin-echo technique over a temperature-range ≈30°C above the nematic-isotropic transition. For both systems, activation energies derived from such measurements agree fairly well those determined earlier from viscosity data. |
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