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  Translational self-diffusion in the smectic phases of ferroelectric liquid crystals: an overview

Cifelli, M., Domenici, V., Dvinskikh, S. V., Veracini, C. A., & Zimmermann, H. (2012). Translational self-diffusion in the smectic phases of ferroelectric liquid crystals: an overview. Phase Transitions, 85(10), 861-871. doi:10.1080/01411594.2012.687737.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-1143-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-1144-E
Genre: Journal Article
Alternative Title : Translational self-diffusion in the smectic phases of ferroelectric liquid crystals: an overview

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 Creators:
Cifelli, Mario, Author
Domenici, Valentina, Author
Dvinskikh, Sergey V., Author
Veracini, Carlo Alberto, Author
Zimmermann, Herbert1, Author              
Affiliations:
1Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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Free keywords: liquid crystals, synclinic, anticlinic, diffusion, 1H NMR, magnetic field, ferroelectric, anisotropy, smectic, chiral
 Abstract: In this work, we present our recent results obtained in the field of translational self−diffusion studies by means of 1H NMR diffusometry in smectic phases formed by calamitic chiral liquid crystals. In particular, the diffusional behavior of chiral smectic phases with different clinicity, such as the ferroelectric and antiferroelectric phases, will be discussed on the basis of the results obtained on three different chiral smectogens. This research demonstrates that, despite previous assertions, out−of−plane translational diffusion in smectic phases is poorly affected by the clinicity of the phases, showing no discontinuity at the transition from synclinic to anticlinic structures, typical of the smectic C* phases. We can conclude that diffusion basically reflects the layered smectic structure where in−plane diffusion is much faster and less hindered than the out−of−plane one

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Language(s): eng - English
 Dates: 2012-03-262012-05-162012-05-162012-10-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
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Title: Phase Transitions
Source Genre: Journal
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Publ. Info: New York : Gordon and Breach.
Pages: - Volume / Issue: 85 (10) Sequence Number: - Start / End Page: 861 - 871 Identifier: ISSN: 0141-1594
CoNE: https://pure.mpg.de/cone/journals/resource/954925471340