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|Title:||Dielectric measurements of nematic and smectic A phases in a binary system|
|Authors:||Bamezai, Rajinder K|
|Keywords:||Liquid crystals;Phase diagrams;Dielectric properties;Nematic phase;Smectic phase|
|Abstract:||The phase diagram of a binary mixture of 4-n-octyloxy- phenyl–4′-n-heptylcyclohexane carboxylate (molecule having weak polar terminal group) and 4-nitrophenyl-4′-n-pentylbenzoate (molecule having strong polar terminal group) has been studied using polarizing microscope and differential scanning calorimeter. The phase diagram shows an enhancement in smectic A phase over a wide composition range and intermediate nematic phase in a narrow composition range. The dielectric properties of these phases are investigated in the frequency range of 100 Hz to 1 MHz.|
|Appears in Collections:||IJC-A Vol.50A(05) [May 2011]|
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