Abstract
Here, we show the method to determine the pressure conditions for liquid crystal restricted in nanochannels. For this purpose, broadband dielectric spectroscopy studies of 4CFPB glass-forming nematic liquid crystal at various pressure conditions and confined in non-intersecting nanopores of mean diameters 6 nm and 8 nm were combined. The pressure dependence of 4CFPB clearing point occurred to be linear and enabled to find pressure conditions in restricted spatial geometry. The pressure evolution of glass transition temperature was non-linear and was described well using the Andersson-Andersson law. Based on the presented results, the temperature-pressure phase diagram was constructed.
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