Abstract
The effect of surfaces on the stability of smectic-C* (SmC*) variant phases is investigated. The results obtained using dielectric spectroscopy by varying the cell thickness show that the temperature ranges of SmCalpha*, SmCA*(1/2) , and SmCA*(1/3) phases decrease with decreasing cell thickness, and the SmCA*(1/3) phase is more stable than the SmCA*(1/2) phase. The relative stability of any phase is found to be due to its large polar anchoring strength and low free energy compared to other phases in a cell. Experimental results are found to agree with the theory.
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Schedule a callMore From: Physical review. E, Statistical, nonlinear, and soft matter physics
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