Abstract
An experimental study for R — 4′-(1 methoxycarbonyl – 1 – ethoxy) phenyl 4 – (4 – octyloxyphenyl) benzoate (1MC1EPOPB) ferroelectric liquid crystal (FLC) using impedance analyzer and differential scanning calorimetric (DSC) technique is reported. The measurements have been done for permittivity, dielectric loss at different frequencies and temperatures. The data have been analyzed for distribution parameters involved in Havriliak-Negami's equation. The relaxation time measured for different relaxation processes is listed. The measurements for static dielectric constants in the parallel(ε∥) and perpendicular(ε⊤) directions at different temperatures have also been taken. The transition temperatures are identified for cooling and heating conditions using DSC technique as well as dielectric measurements. The interesting results have been found and some unknown phases have been monitored, the reason for which needs theoretical interpretation.
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