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Novel temperature dependence of the smectic-C tilt in the polymeric liquid crystal, C-6 polysiloxane: A high-resolution x-ray study

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Zimmermann,  Herbert
Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;
Zimmermann Group, Max Planck Institute for Medical Research, Max Planck Society;
Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Keller, E. N., Nachaliel, E., Davidov, D., & Zimmermann, H. (1988). Novel temperature dependence of the smectic-C tilt in the polymeric liquid crystal, C-6 polysiloxane: A high-resolution x-ray study. Physical Review A, 37(6), 2251-2253. doi:10.1103/PhysRevA.37.2251.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-AE53-6
Abstract
High-resolution x-ray scattering measurements of the smectic-C phase of the polymeric liquid crystal, C-6 polysiloxane, show that the smectic-C tilt angle φp decreases continuously upon decreasing temperature. This behavior, opposite to that observed in monomeric liquid crystals, is caused by stiffening in the polymeric backbones and spacers.