Generalization of the polymorphism with 2D fluid smectic phasesReport as inadecuate

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Abstract : On the basis of microscopic observations on free droplets we have located different transition lines between 2D fluid smectic phases in x, T binary diagrams. In particular a textural criterion has been defined to identify for the first time the SC-SÃ phase transition. Our studies lead to the classification of three 2D fluid smectics according to the following sequence : SC-SÃ-SAcre with decreasing temperature.

Keywords : drops liquid crystal phase transformations polymorphism smectic liquid crystals two dimensional fluid smectic A smectic C transition smectic phases microscopic observations free droplets textural criterion

Author: G. Sigaud M.F. Achard F. Hardouin



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