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  Determination of the translational order parameter for smectic liquid crystals using small-angle neutron scattering

Alexander, G. G., King, S. M., Richardson, R. M., & Zimmermann, H. (2010). Determination of the translational order parameter for smectic liquid crystals using small-angle neutron scattering. Liquid Crystals, 37(6-7), 961-968. doi:10.1080/02678292.2010.481902.

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Genre: Journal Article
Alternative Title : Determination of the translational order parameter for smectic liquid crystals using small-angle neutron scattering

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LiqCryst_37_2010_961.pdf (Any fulltext), 5MB
 
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 Creators:
Alexander, G. G., Author
King, S. M., Author
Richardson, R. M., Author
Zimmermann, Herbert1, Author           
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1Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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Free keywords: smectic; translational order parameter; small-angle neutron scattering
 Abstract: A simple method to determine the translational order parameter of a smectic liquid crystal is presented. It is based on a measurement of the absolute intensity of the first-order layer reflection from an unaligned (powder) sample using small-angle neutron scattering. The Lorentz factor and molecular form factor are used to derive the order parameter from the intensity. The method is demonstrated for 4-octyl-4'-cyanobiphenyl (8CB), using two different isotopomers which give a consistent translational order parameter value of 0.5 in the smectic A phase.

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Language(s): eng - English
 Dates: 2010-01-222010-03-172010-07-062010-07-06
 Publication Status: Issued
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Liquid Crystals
Source Genre: Journal
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Publ. Info: London : Taylor & Francis
Pages: - Volume / Issue: 37 (6-7) Sequence Number: - Start / End Page: 961 - 968 Identifier: ISSN: 0267-8292
CoNE: https://pure.mpg.de/cone/journals/resource/954925268301