Light-induced nonhomogeneity and gradient bending in photochromic liquid crystal elastomers
β Scribed by Lihua Jin; Xin Jiang; Yongzhong Huo
- Book ID
- 107360104
- Publisher
- Science in China Press (SCP)
- Year
- 2006
- Tongue
- English
- Weight
- 669 KB
- Volume
- 49
- Category
- Article
- ISSN
- 1672-1799
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## Abstract The strainβinduced director reorientation process in nematic liquid single crystal elastomers is investigated for the case of an arbitrary angle between the original director and the external stress axis. If the mechanical stress is applied perpendicular to the original director axis, t
**Electrically switchable diffraction gratings** can be formed in the selfβassembled cholesteric liquid crystal gels prepared using an azobenzeneβcontaining gelator. The grating formation (see Figure) results from a lightβinduced reorganization process in these materials, which leads to the removal