X-Ray Studies of Tilted Hexatic Phases in Thin Liquid-Crystal Films

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X-Ray Studies of Tilted Hexatic Phases in Thin Liquid-Crystal Films

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Title: X-Ray Studies of Tilted Hexatic Phases in Thin Liquid-Crystal Films
Author: Sirota, E. B.; Pershan, Peter S.; Sorensen, L. B.; Collett, J.

Note: Order does not necessarily reflect citation order of authors.

Citation: Sirota, E. B., Peter S. Pershan, L. B. Sorensen, and J. Collett. 1985. X-ray studies of tilted hexatic phases in thin liquid-crystal films. Physical Review Letter 55(19): 2039–2042.
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Abstract: X-ray-diffraction studies of the structures and phase transitions of the tilted hexatic phases (smectic F and smectic I) in thin liquid-crystal films of 4-n-heptyloxybenzylidene-4-n-heptylaniline (70.7) are reported. The measured correlation lengths were strongly anisotropic in both phases. The smectic-I to smectic-F transition is first order as expected from the symmetry change. The smectic-F to smectic-G transition is first order with strong pretransition effects and becomes nearly second order as the film thickness is decreased.
Published Version: doi:10.1103/PhysRevLett.55.2039
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10357489
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