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Layer-thinning transitions in freely suspended smectic-A films

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URI: http://hdl.handle.net/10016/7097
ISSN: 0953-8984 (Print)
ISSN: 1361-648X (Online)
DOI: 10.1088/0953-8984/8/47/042
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layer_martinez-raton_jpcm_1996_ps.pdf (293.27 KB)
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1996-11-18
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IOP Publishing
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Abstract
We outline the elements of a mean-field density functional theory of inhomogeneous liquid crystals which is able to account for surface-enhanced smectic ordering (SESO) at a free surface. The theory generates SESO without requiring an external anchoring potential, and depending only on the properties (i.e., strengths and ranges) of the anisotropic intermolecular forces. Application of the theory to explaining recent experimental findings of layer-thinning transitions in freely suspended smectic-A films is briefly summarized.
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5 pages, 2 figures.-- PACS nrs.: 61.30.Cz, 61.30.Hn, 64.70.M-.
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[PACS] Molecular and microscopic models and theories of liquid crystal structure, [PACS] Surface phenomena: alignment, anchoring, anchoring transitions, surface-induced layering, surface-induced ordering, wetting, prewetting transitions, and wetting transitions, [PACS] Transitions in liquid crystals
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Journal of Physics: Condensed Matter, 1996, vol. 8, n. 47, p. 9439-9443
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