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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krakhalev M. N., Gardymova A. P., Emel'yanenko A. V., Liu, Jui-Hsiang, Zyryanov V. Ya.
Заглавие : Untwisting of the helical structure of cholesteric droplets with homeotropic surface anchoring
Коллективы : Russian Foundation for Basic Research; Government of the Krasnoyarsk Region [16-42-240704r_a]; Russian Science Foundation [16-43-03010]; Ministry of Science and Technology of Taiwan [MOST105-2923-E-006-007]
Место публикации : JETP Letters. - 2017. - Vol. 105, Is. 1. - P.51-54. - ISSN 0021-3640, DOI 10.1134/S002136401701012X. - ISSN 1090-6487(eISSN)
Примечания : Cited References:35. - This work was supported in part by the Russian Foundation for Basic Research and the Government of the Krasnoyarsk Region (project no. 16-42-240704r_a). The work of A.V.E on the theoretical analysis of the structure of liquid crystal droplets was supported by the Russian Science Foundation (project no. 16-43-03010). The work of Jui-Hsiang Liu was supported by the Ministry of Science and Technology of Taiwan (contract no. MOST105-2923-E-006-007).
Предметные рубрики: LIQUID-CRYSTAL DROPLETS
CYLINDRICAL CAVITIES
TRANSITION
KNOTS
Аннотация: Cholesteric droplets dispersed in a polymer with homeotropic surface anchoring are studied. A director configuration with the bipolar distribution of the axis of the helix is formed in droplets. The untwisting of the helical structure (i.e., an increase in the pitch of the helix) is experimentally observed at a decrease in the size of droplets. This dependence is analyzed for liquid crystal droplets with various concentrations of the chiral addition. A proposed empirical relation describes well the correlation of the helix pitch and the size of droplets in the studied samples.
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