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          Institute: MPI für medizinische Forschung     Collection: Jahrbuch 2012     Display Documents



ID: 638118.0, MPI für medizinische Forschung / Jahrbuch 2012
Translational self−diffusion in the smectic phases of ferroelectric liquid crystals: an overview
Translation of Title:Translational self−diffusion in the smectic phases of ferroelectric liquid crystals: an overview
Authors:Cifelli, Mario; Domenici, Valentina; Dvinskikh, Sergey V.; Veracini, Carlo Alberto; Zimmermann, Herbert
Language:English
Date of Publication (YYYY-MM-DD):2012-10-01
Title of Journal:Phase Transitions: A Multinational Journal
Journal Abbrev.:Phase Transitions: A Multinational Journal
Volume:85
Issue / Number:10
Start Page:861
End Page:871
Review Status:Peer-review
Audience:Experts Only
Intended Educational Use:No
Abstract / Description: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
Free Keywords:liquid crystals,
synclinic, anticlinic,
diffusion,
1H NMR,
magnetic field,
ferroelectric,
anisotropy,
smectic,
chiral
External Publication Status:published
Document Type:Article
Communicated by:Wulf Kaiser
Affiliations:MPI für medizinische Forschung/Abteilung Biophysik
MPI für medizinische Forschung/Abteilung Biomolekulare Mechanismen
MPI für medizinische Forschung/Arbeitsgruppe Zimmermann
MPI für medizinische Forschung/Abteilung Molekulare Physik
Identifiers:LOCALID:7795
URI:http%3A%2F%2Fwww.tandfonline.com%2Fdoi%2Fabs%2F10....
URI:http%3A%2F%2Fwww.tandfonline.com%2Fdoi%2Ffull%2F10...
URI:http%3A%2F%2Fwww.tandfonline.com%2Fdoi%2Fabs%2F10....
DOI:10.1080%2F01411594.2012.687737
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