Determination of the anchoring constant for a compensated binary cholesteric mixture |
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Authors: | Iuliana Cuculescu Rodica Bena Gabriela Smeianu |
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Institution: |
a Department of Physics, Polytechnical Institute Bucharest, Bucharest, Romania |
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Abstract: | The optical transmission and the electric power was simultaneously recorded for the binary compensated cholesteric mixture cholesteryl chloride + cholesteryl nonanoate (70:30 molar). The values of the critical voltages U1 and U2 (at which the planar texture changes into a conic focal one, and the cholesteric-nematic transition take place) at different temperatures were obtained. The temperature dependence of the anchoring constant is determined. |
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