Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2018

Идентификатор DOI: 10.1080/02678292.2017.1416504

Ключевые слова: Cholesteric, ionic surfactant, anchoring transition, modulated hybrid-aligned cholesteric layer, diffraction grating

Аннотация: Reorientation of cholesteric liquid crystal induced by the electrically controlled ionic modification of surface anchoring within the cell with confinement ratio exceeding 1 has been studied. The change of homeotropic surface anchoring to the planar one on the electrode-anode substrate under the action of DC voltage causes the formation of the modulated hybrid-aligned cholesteric layer in the cell. Optical texture of the liquid crystal layer with such an orientation structure is the linear periodic stripes. Homogeneity of emerging optical texture depending on the confinement ratio as well as on the prehistory of voltage application has been considered. It has been found that the ionic modification of surface anchoring results in total transformation of the diffraction pattern observed after the laser beam passing through the sample. [GRAPHICS]

Журнал: LIQUID CRYSTALS

Выпуск журнала: Vol. 45, Is. 8

Номера страниц: 1129-1136

ISSN журнала: 02678292

Место издания: ABINGDON

Издатель: TAYLOR & FRANCIS LTD

• Sutormin Vitaly S. (Russian Acad Sci, Kirensky Inst Phys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk, Russia)
• Krakhalev Mikhail N. (Russian Acad Sci, Kirensky Inst Phys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk, Russia; Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk, Russia)
• Prishchepa Oxana O. (Russian Acad Sci, Kirensky Inst Phys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk, Russia; Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk, Russia)
• Zyryanov Victor Ya. (Russian Acad Sci, Kirensky Inst Phys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk, Russia)

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