A First Example of a Lyotropic Smectic C* Analog Phase
A First Example of a Lyotropic Smectic C* Analog Phase
Springer | Physical Chemistry Thesis | Dec. 23 2015 | ISBN-10: 3319272020 | 115 pages | pdf | 6.47 mb
Springer | Physical Chemistry Thesis | Dec. 23 2015 | ISBN-10: 3319272020 | 115 pages | pdf | 6.47 mb
Authors: Bruckner, Johanna Ricarda
Nominated as an outstanding PhD thesis by the University of Stuttgart
The first comprehensive study of the novel lyotropic SmC* phase
Presents a detailed investigation of solvent effects on the phase behaviour of a lyotropic liquid crystal of Stuttgart
In this thesis Johanna Bruckner reports the discovery of the lyotropic counterpart of the thermotropic SmC* phase, which has become famous as the only spontaneously polarized, ferroelectric fluid in nature. By means of polarizing optical microscopy, X-ray diffraction and electro-optic experiments she firmly establishes aspects of the structure of the novel lyotropic liquid crystalline phase and elucidates its fascinating properties, among them a pronounced polar electro-optic effect, analogous to the ferroelectric switching of its thermotropic counterpart. The helical ground state of the mesophase raises the fundamental question of how chiral interactions are "communicated" across layers of more or less disordered and achiral solvent molecules which are located between adjacent bi-layers of the chiral amphiphile molecules. This thesis bridges an important gap between thermotropic and lyotropic liquid crystals and pioneers a new field of liquid crystal research.
Number of Illustrations and Tables
56 illus., 19 in colour
Topics
Physical Chemistry
Soft and Granular Matter, Complex Fluids and Microfluidics
Analytical Chemistry
Crystallography
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