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On the order of cholesteric to smectic-A phase transition in cholesteric mixtures

✍ Scribed by W.U. Müller; H. Stegemeyer

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
222 KB
Volume
27
Category
Article
ISSN
0009-2614

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✦ Synopsis

In a series of mixtures of cholesteryl oleylcarbonate and cholcster~l chloride the temperature dependence of the molnr volume V hss been determined by dilatometiic measurcmcnts near the cholestcric to smcctic-A phase transition. It could be shown from rhr Y(7) curves rhar rhc phase lransition changes from first fo second order at o definite mole rraction G 0.63 cholestcryl oleylcarbonate. This behaviour can be understood in terms of the theories of hlchlillan and Kobwashi.

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Investigation of a Twisted Phase between
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✍ Dr. A. Chanishvili; Prof. Dr. G. Chilaya; Dr. G. Petriashvili; Dr. Rer nat. M. N 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 351 KB

## Investigation of a Twisted Phase between the Cholesteric and the Smectic A Phase In a ternary mixture of two liquid crystals and a non-mesomorphic chiral dopant an intermediate state with an unusual texture was found between the cholcsteric and the SA phase which could be idcntified as a separa