Disjoining pressure in free-standing smectic-A films and its influence on their reflectivity |
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| Authors: | L V Mirantsev |
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| Institution: | (1) Institute of Problems in Machine Science, Russian Academy of Sciences, Vasil’evskii ostrov, Bol’shoi pr. 61, St. Petersburg, 199178, Russia |
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| Abstract: | This paper reports the results of calculating the disjoining pressure and average thickness of smectic layers in free-standing liquid-crystal films heated above the temperature of breakdown of the smectic order in the bulk of the mesogens. The effect of the disjoining pressure on the reflectivity of free-standing smectic-A films with different numbers of smectic layers has been studied. The results of the calculations agree with the experimental study of the reflectivity of free-standing smectic-A films in the optical wavelength range. |
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