화학공학소재연구정보센터
학회 한국재료학회
학술대회 2016년 봄 (05/18 ~ 05/20, 여수 디오션리조트 )
권호 22권 1호
발표분야 B. 나노화학/바이오 재료 분과
제목 Focal conic domain structures of smectic-A liquid crystals derived from disclination lines with an In-plane switching configuration
초록 Focal conic domains (FCDs) are commonly observed defect structures in smectic-A phase. These structures have attracted interest due to their unique optical properties and possibilities of application for templates. Here, we have generated various FCD structures derived from disclination lines in nematic phase on In-plane switching cell. In-plane electric field and homeotropic boundary condition induce a hybrid alignment which results in defect structures. These various FCD structures are generated depending on applied voltage. The results were precisely analyzed by polarized optical microscopy (POM), laser-scanning fluorescent confocal microscopy (LSFCM), and grazing incidence X-ray diffraction (GIXD) methods for determining the molecular ordering and orientation.
저자 Ahram Suh1, Hyungju Ahn2, Tae Joo Shin3, Dong Ki Yoon4
소속 1Graduate School of Nanoscience and Technology, 2KAIST, 3Pohang Accelerator Laboratory, 4POSTECH
키워드 liquid crystals; disclination lines; FCD structures; electric field; In-plane switching cell
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