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Formation and dynamics of easy orientation axis in magnetic field on PVCN-F surface |
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| Authors: | O. Buluy Y. Reznikov K. Slyusarenko M. Nobili V. Reshetnyak |
| Affiliation: | (1) Institute of Physics, National Academy of Sciences of Ukraine, 46 Nauki Str., 03-039 Kyiv, Ukraine;(2) Condensed Phase Dynamics Group, University of Montpellier II, Batalion Sq., 34-095 Montpellier, France;(3) Physics Faculty, Kyiv National Taras Shevchenko University, 6 Glushkova Str., 03-680 Kyiv, Ukraine |
| Abstract: | We describe the experiments on a magnetically-induced drift of the easy axis on a soft surface of photoaligning material fluoro-polyvinyl-cinnamate. We found unexpected partial relaxation of the drift of the easy axis after switching the magnetic field off. This relaxation cannot be explained in a framework of the existing models and requires additional assumptions about the drift process. We propose a model that explains the experimental data suggesting elastic-like behaviour of the polymer fragments during the drift of the easy axis. |
| Keywords: | liquid crystal easy axis gliding drift of easy axis photoalignment |
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