Helical pitch change at the phase transition blue phase to cholesteric
β Scribed by H. Stegemeyer
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 286 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
The electric field effect on the transition of the liquid-crystalline blue phase I( BP I) to the cholesteric phase has been investi-Sated. This field-induced transition can be overvoltaged. This effect is equivalent to the BP I supercooling and is caused by a kinetic hindrance of the molecular rearr
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 change