Modulated differential scanning calorimetry |
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| Authors: | F Roussel J M Buisine |
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| Affiliation: | (1) Laboratoire de Dynamique et Structure des Matériaux Moléculaires, Equipe de Thermophysique de la Matière Condensée, URA CNRS 801, Université du Littoral, Quai Freycinet 1, BP 5526, F-59379 Dunkerque Cedex 1, France |
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| Abstract: | The Modulated Differential Calorimetry (MDSC) is applied to the determination of the reversibility in the cholesteryl chloride, which presents a cholesteric monotropic phase between the isotropic and crystalline states. The experimental modulation parameters that govern this method i.e. frequency, amplitude and heating/cooling rate, are determined. MDSC curves and complementary thermomicroscopical observations assign melting, crystallization and liquid cholesteric transition as  non reversing , and clarification as reversing. |
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| Keywords: | cholesteric liquid crystal Modulated Differential Scanning Calorimetry monotropic phase |
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