Computer simulation of confined and fexoelectric liquid crystalline systems
F.Barmes
Sheffield Hallam University, June 2003.
Abstract
Introduction
Chap 1: The liquid crystalline phases
- Introduction.
- Characterisation of liquid crystals.
- Flexoelectric liquid crystals.
- Theoretical approach to liquid crystals.
- Experimental study of liquid crystals
- Applications
Chap 2: Computer simulations of liquid crystals
- Introduction
- Molecular modelling techniques
- Molecular models of liquid crystals
- Modelling of flexoelectric particles
- Liquid crystals in confined geometries
- Anchoring transitions
Chap 3: Computer simulations of Hard Gaussian Overlaps
- Introduction
- Observable computation
- Computer simulations
Chap 4: Surface influence on liquid crystalline systems
- Introduction
- A first surface potential
- Symmetric anchored systems
- Surface influence on phase transition
- Conclusion
Chap 5: More on confined geometries
- Introduction
- Realistic surface potentials: the RSP
- Realistic surface potentials: the RSUP
- Hybrid anchored systems
- Conclusion
Chap 6: Bulk simulations of pear shaped particles
- Introcution
- The HP model
- The PHGO model
- Phase behaviour of the PHGO model
- Conclusion
Chap 7: Confined pear shaped particles
- Introduction
- The flexoelectric display
- Molecular models
- Symmetric systems
- Hybrid systems
- Flexoelectric switching
- Conclusion
Conclusions and Future Work
Appendix A: Asorbed volume of an HGO into a substrate
- Introduction
- Case of a sphere
- Coordinates of A and B
- Expression for d1
- Expression for Ve
Appendix B: Particle-field electrostatic interactions
- Dielectric interaction
- Dipolar interaction
- Particle-field interaction
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Thesis - chapter 03 (1.5 MiB)
Thesis - chapter 04 (1.8 MiB)
Thesis - chapter 05 (2.9 MiB)
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Thesis - chapter 07 (4.5 MiB)
Thesis - conclusions (51.0 KiB)
Thesis - appendix (125.0 KiB)