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|Title: ||Enhanced smectic A mesophase in mixtures of two terminally polar compounds|
|Authors: ||Raghunathan, V.A.|
Urs, Subramanya Raj M.
|Issue Date: ||1985 |
|Publisher: ||Gordon and Breach Science Publishers.|
|Citation: ||Molecular Crystals and Liquid Crystals, 1985, Vol.131, p9-19|
|Abstract: ||An enhanced smectic A phase has been observed in mixtures of two terminally polar compounds, viz, 5-(4-n butylphenyl)-2-(4-cyanophenyl)-pyrimidine (4 PCPP) and n-dodecyl-4-(4'-nitrobenzoyloxy) benzoate (12 NBOB). The former is a nematogen and the latter non-mesomorphic with a hidden smectic A-isotropic transition. The smectic A-nematic transition boundary shows a parabolic shape, but with an unusually large tilt angle between the axis of the parabola and the composition axis. Mixtures in some composition range exhibit the reentrant nematic phase. Xray diffraction studies indicate that the smectic phase is of the Ad type. Low frequency dielectric constants and dispersion measurements of b.epsiVerbar; are also reported.|
|Description: ||Restricted Access.|
|Alternative Location: ||http://dx.doi.org/10.1080/00268948508084190|
|Copyright: ||1985 OPA (Overseas Publishers Association) N.V.|
|Appears in Collections:||Research Papers (SCM)|
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