Urbanski, Martin: Nanoparticle doping in nematic liquid crystals. 2013
Inhalt
- Introduction
- Background
- Liquid crystals - The fourth state of matter
- The nematic phase
- The Frank-Oseen energy
- Physical properties of nematic liquid crystals
- The Fréedericksz-transition
- Static director field distribution under influence of an electric field
- Dynamic of field-induced director deformations
- Nematic liquid crystals and doping
- Microscopy on liquid crystals
- Experimentals
- Materials
- Dispersion preparation
- Microscopy
- Phase transition temperatures
- Electro-optic characterization
- Results and discussion
- General observations
- Stability and solubility of nanoparticles in dispersions
- Phase transition temperatures
- Textures and alignment studies
- Behavior under the influence of electric fields
- Discussion of electro-optic properties
- Conclusions and outlook