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Results and Discussion

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A First Example of a Lyotropic Smectic C* Analog Phase

Part of the book series: Springer Theses ((Springer Theses))

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Abstract

The experimental results of the present thesis will be presented and discussed in the following chapter. The main focus will be upon the detection and characterization of the novel lyotropic SmC* analog phase, even though a variety of other phases occurs in the investigated solvent/surfactant mixtures. Furthermore, the obtained results will be discussed in detail in the course of this chapter.

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Notes

  1. 1.

    In order to facilitate the readability of this thesis, the lyotropic analog of the chiral SmC* phase will be abbreviated with the term ‘lyo-SmC* phase’ in the following if expedient.

  2. 2.

    The International Union of Pure and Applied Chemistry (IUPAC) recommended in 2001 [10], that every liquid crystalline phase composed of chiral molecules should be denoted with a superscript asterisk. However, this is not customary in lyotropic liquid crystal nomenclature, except for the chiral nematic phase (N*). Thus, for all other conventional lyotropic liquid crystalline phases the asterisk will be omitted. Whenever the chirality of the molecules seems to be especially important, the according phase will be denoted as ‘chiral’.

  3. 3.

    Due to the rhombic shape of the unit cell, it should also be possible to index the scattering pattern of the Col2 phase on the basis of the plane crystallographic group cm. However, as the group cm possess mirror planes this would not be conform to the chirality of the molecules.

  4. 4.

    The measurements in Fig. 5.25 were partially performed by Marc Harjung and Friederike Knecht within the scope of a supervised research project.

  5. 5.

    Derived from molecular modeling with the software Chem3D Pro 13.0 by CambridgeSoft on the AM1 level.

  6. 6.

    The measurements in Fig. 5.28 were partially performed by Friederike Knecht within the scope of a supervised research project.

  7. 7.

    The depicted sketch corresponds to a sample of C5O with 20 wt% of formamide in scale and concentration, if the number of surfactant molecules is doubled. Half of the surfactant molecules were omitted for sake of clarity.

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Authors and Affiliations

  1. Institute of Physical Chemistry, University of Stuttgart, Stuttgart, Germany

    Dr. Johanna Ricarda Bruckner

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  1. Dr. Johanna Ricarda Bruckner
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Correspondence to Johanna Ricarda Bruckner .

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Bruckner, J.R. (2016). Results and Discussion. In: A First Example of a Lyotropic Smectic C* Analog Phase. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-27203-0_5

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