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Article Dans Une Revue Liquid Crystals Année : 2004

Rheological properties of chiral liquid crystals possessing a cholesteric-smecticA transition

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We have measured the rheological properties of two cholesterol derivatives (cholesteryl myristate and cholesteryl nonanoate) in the vicinity of their cholesteric–smecticA transitions. The results for the two compounds differ qualitatively, and are in agreement with results based on optical observations of new defects in cholesteryl nonanoate showing that this material, traditionally considered as a typical cholesteric, in fact exhibits a TGBA phase between the cholesteric and smectic A phases.
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hal-00016634 , version 1 (09-01-2006)

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Sophie Asnacios, Claire Meyer, Yu. A. Nastishin, Maurice Kleman, Jacques Malthête. Rheological properties of chiral liquid crystals possessing a cholesteric-smecticA transition. Liquid Crystals, 2004, 31 (4), pp.593-599. ⟨10.1080/02678290410001667993⟩. ⟨hal-00016634⟩
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