| Morphology of open films of discotic hexagonal columnar liquid crystals as probed by grazing incidence X-ray diffraction. | |
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MedLine Citation:
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PMID: 20411293 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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The structure and the orientation of thermotropic hexagonal columnar liquid crystals are studied by grazing incidence X-ray diffraction (GIXD) for different discotic compounds in the geometry of open supported thin films. Whatever the film deposition mode (either spin-coating or vacuum evaporation) and the film thickness, a degenerate planar alignment with the liquid crystalline columns parallel to the substrate is found. However, if a specific thermal process is applied to the liquid crystal film, homeotropic anchoring (columns normal to the interface) can be stabilized in a metastable state. |
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Authors:
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Eric Grelet; Sébastien Dardel; Harald Bock; Michel Goldmann; Emmanuelle Lacaze; Frédéric Nallet |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-04-10 |
Journal Detail:
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Title: The European physical journal. E, Soft matter Volume: 31 ISSN: 1292-895X ISO Abbreviation: Eur Phys J E Soft Matter Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-14 Completed Date: 2010-08-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101126530 Medline TA: Eur Phys J E Soft Matter Country: France |
Other Details:
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Languages: eng Pagination: 343-9 Citation Subset: - |
Affiliation:
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Centre de Recherche Paul-Pascal, CNRS -Université de Bordeaux, 115 Avenue Schweitzer, 33600, Pessac, France. grelet@crpp-bordeaux.cnrs.fr |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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