NMR methods of studying orientational order in the liquid crystalline and isotropic phases of mesogenic samples
NMR methods of studying orientational order in the liquid crystalline and isotropic phases of mesogenic samples
The understanding of how to describe the orientational order of the molecules in liquid crystalline phases, and in the isotropic phase formed by mesogens, has undergone considerable development in the past 25 years; this progress is reviewed. In parallel with the theoretical developments it has also been shown that NMR spectroscopy plays a unique role in the measurement of the orientational order of the molecules, and it is explained how biaxial ordering can be characterized for rigid molecules, and how the conformationally-dependent order parameters necessary for flexible molecules can be obtained.
molecular-field-theory, nuclear-magnetic-resonance, pretransitional
behavior, nematic solvents, solute, nematogens, anthracene, deuterium, alignment, spectra
1515-1524
Emsley, J.W.
9d219d5e-28c0-4a8c-bf3d-1f78cd707c17
2005
Emsley, J.W.
9d219d5e-28c0-4a8c-bf3d-1f78cd707c17
Emsley, J.W.
(2005)
NMR methods of studying orientational order in the liquid crystalline and isotropic phases of mesogenic samples.
Liquid Crystals, 32 (11-12), .
(doi:10.1080/02678290500284512).
Abstract
The understanding of how to describe the orientational order of the molecules in liquid crystalline phases, and in the isotropic phase formed by mesogens, has undergone considerable development in the past 25 years; this progress is reviewed. In parallel with the theoretical developments it has also been shown that NMR spectroscopy plays a unique role in the measurement of the orientational order of the molecules, and it is explained how biaxial ordering can be characterized for rigid molecules, and how the conformationally-dependent order parameters necessary for flexible molecules can be obtained.
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Published date: 2005
Keywords:
molecular-field-theory, nuclear-magnetic-resonance, pretransitional
behavior, nematic solvents, solute, nematogens, anthracene, deuterium, alignment, spectra
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Local EPrints ID: 44429
URI: http://eprints.soton.ac.uk/id/eprint/44429
ISSN: 1366-5855
PURE UUID: a57d020f-de83-4b8b-85cd-46fcdc141117
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Date deposited: 01 Mar 2007
Last modified: 15 Mar 2024 09:04
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Author:
J.W. Emsley
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