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|Title:||X-rary studies on bilayer smectic A (A2) and bilayer smectic C (C2) phases|
Krishna Prasad, S.
|Publisher:||Gordon and Breach Science Publishers.|
|Citation:||Molecular Crystals and Liquid Crystals Letters, 1985, Vol.1, p89-93|
|Abstract:||Xray studies on the smectic A and smectic C phases of 4-n-heptacylphenyl-4'-(4"-cyano- benzoyloxy) benzoate show that both these phases are bilayer phases (A2 and C2) characterised by strong second order Bragg reflections and a large d/l, ratio (appro.1.8). Direct determination of the tilt angle from Xray photographs shows that the decrease in the layer spacing on going over from the A2 to the C2 phase is entirely due to the tilt of the molecular pairs and not due to any change in the interdigitation of the molecules.|
|Copyright:||1985 OPA (Overseas Publishers Association) N.V.|
|Appears in Collections:||Research Papers (SCM)|
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|1985 MCLC Letters V1 p89.pdf|
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