KINETICS OP PHASE TRANSFORMATION IN SOME CHOLESTERIC LIQUID CRYSTALS

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Abstract
The time evolution of the interface between the cholesteric and the blue phase of the cholesteryl esters has been measured as a function of supercooling. The results are interpreted as consistent with the physical picture of a shape-preserving interface profile propagating with a rate that is determined by the orientational relaxation of the molecules near the interface. This method of investigation provides a complementary tool to the more often pursued equilibrium and dynamic investigations for the further understanding of phase transformations in liquid crystals

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