Ellipsometric studies of synclinic and anticlinic arrangements in liquid 
crystal films

Johnson, P. M.; Olson, D. A.; Pankratz, S.; Bahr, Christian; Goodby, J. W.; Huang, C. C.

doi:10.1103/PhysRevE.62.8106

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Ellipsometric studies of synclinic and anticlinic arrangements in liquid crystal films

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Bahr, Christian
Group Structure formation in soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Johnson, P. M., Olson, D. A., Pankratz, S., Bahr, C., Goodby, J. W., & Huang, C. C. (2000). Ellipsometric studies of synclinic and anticlinic arrangements in liquid crystal films. Physical Review E, 62(6), 8106-8113. doi:10.1103/PhysRevE.62.8106.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-B62D-4

Abstract

The molecular arrangements in liquid crystal freestanding films are studied when smectic C* surface ordering occurs above the bulk smectic A to smectic C* transition temperature. Details of the resulting structures are resolved using ellipsometry. The behavior of the film is compound dependent. Below a critical electric field, either a synclinic or anticlinic structure may be present depending on the magnitude of the bulk spontaneous polarization. A model is presented in which the low-field anticlinic arrangement results from the interaction between polarization fluctuations at the two surfaces.