Multistability in the mixtures of smectic-C∗ materials with compensated twisting power

Emelyanenko, A.V.; Pozhidaev, E.P.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 12 января 2022 г.

Авторы: Emelyanenko A.V., Pozhidaev E.P.
Журнал: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Том: 93
Год издания: 2016
Издательство: American Physical Society
Местоположение издательства: United States
Первая страница: 042705-1
Последняя страница: 042705-7
DOI: 10.1103/PhysRevE.93.042705
Аннотация: The effect of multistability in the mixtures of smectic C materials with compensated twisting power, i.e. the existence of a large number of almost equiprobable states in the same mixture under the same conditions, is analyzed in the framework of elastic continuum theory. A simple molecular model is also considered. It is shown that multistability can follow from the bulk properties of the smectic C materials with compensated twisting power, but with high spontaneous polarization. Multistability leads to the formation of ferroelectric domains, in which the director oscillates in space. The length and amplitude of this oscillation is tunable smoothly by electric field. Theoretical results for the domain length completely agree with the experimental data. A suggestion is made, why each domain structure is remembered without the energy consumption, when the electric field is abruptly switched off. The structure dependence on the material parameters, such as spontaneous polarization, elastic constant and equilibrium wave number is predicted.
Добавил в систему: Емельяненко Александр Вячеславович

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Multistability in the mixtures of smectic-C∗ materials with compensated twisting powerстатья

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