Liquid Crystals 2 | موضوعات خاصة في الكيمياء التطبيقية
Liquid Crystals 2
المدرس: Dr Hikmat Hilal
سنة التدريس: 2018 (الفصل الأول)
مشاهدات: 25
المدة: دقائق
وصف:
Nematic Phases: have no positional order at all, but have same directions along the director Anisotropic LCS (with large alignment) Chiral nematic: Rotates plane-polarized light (cholesteric =chiral nematic LC) Smectic: has more positional ordering than Nematic Here mesogens move within same plane but not between planes. Here three Smectics: Smectic A: Director is perpendicular to plane Where mesogens move in same plane Smectic B: Director is perpendicular to plane, and mesogens form hexagons in the layer Smectic C: Like in Smectic A but have an angle not equal to 90 (titled orientation)
مواد ذات صلة
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