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Abstract
The aim of this work is to study by complementary methods physical properties of calamitic chiral thioester showing ferroelectric behaviour. Phase transition temperatures, stability as well as rich polymorphism have been investigated by DSC measurements and texture observations. The type of the paraelectric–ferroelectric phase transition has been studied based on the spontaneous polarization measurements. The relaxation processes have been revealed in all liquid crystalline phases and sub-phases using the dielectric spectroscopy method. The interpretation of all of them is presented.
Acknowledgments
The research was carried out with the equipment purchased thanks to the financial support of the European Regional Development Fund in the framework of the Polish Innovation Economy Operational Program (contract no. POIG.02.01.00-12-023/08). The Polish State Committee for Scientific Research (KBN) is gratefully acknowledged for financial support in scope of the grant No. N N202 076435.