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|Title: ||Induced smectic mesomorphism in binary mixtures of cholesteryl chloride and 4,4'-diheptyloxyazoxybenzene|
|Authors: ||Suresh, K.A.|
|Issue Date: ||Jul-1983 |
|Publisher: ||Gordon and Breach Science Publishers.|
|Citation: ||Molecular Crystals and Liquid Crystals, 1983, Vol.97, p417-421|
|Abstract: ||We report here the occurrence of an 'Induced Smectic A' phase in binary mixtures of cholesteryl chloride (ChCl) and 4,4'-diheptyloxyazoxybenzene (HOAB). It is interesting to find that cholesteryl chloride, which is not as strongly polar as cyano- or nitro group containing aromatic nematogens, gives rise to the induced smectic phase.
X-ray studies on ChCl, HOAB and their mixtures show that neither the pure compounds nor the mixtures have a bilayer arrangement of molecules. The interesting result is obtained that in a 12 mole pet ChCl in HOAB mixture, which exhibits a twisted smectic C phase and a skew-cybotactic cholesteric phase, the tilt angle varies with temperature, although in the corresponding smectic C and skew-cybotactic nematic phases of pure HOAB, the tilt angle is independent of temperature.|
|Description: ||Restricted Access. Paper presented at the 9th international conference on liquid crystals held at Bangalore in 1982.|
|Alternative Location: ||http://dx.doi.org/10.1080/00268948308073168|
|Copyright: ||1983 OPA (Overseas Publishers Association) N.V.|
|Appears in Collections:||Research Papers (SCM)|
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