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Textural and conoscopic studies of chiral
liquid crystals possessing cholestric - smectic A or cholesteric-TGB A
- smectic A phase transitions
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Yu.A.Nastishin, M.Kleman, O.B.Dovgyi
There exists a well documented analogy between the phase transitions
cholesteric - smectic A and normal metal - superconductor in the magnetic
field. According to this analogy any chiral liquid crystal (CLC) material
exhibiting the smectic A phase can be subscribed either to I or II smectogenic
type as a liquid crystal analogue of the superconductor of I or II type,
respectively. In this paper we describe our results aimed to develop a
simple identification procedure to establish the smectogenic type of CLC
material using only a polarization microscope.
doi 10.3116/16091833/3/1/1/2002 |
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