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Browse Journals & Magazines > Applied Physics Letters ...> Volume:96 Issue:9 Help

Polarization inversion in a ferroelectric liquid crystal studied by 1H nuclear magnetic resonance

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4 Author(s)
Cha, J.K. ; Department of Physics and Institute for Nano Science, Korea University, Seoul 136-713, Republic of Korea ; Lee, K.W. ; Lee, Kwang-Sei ; Jin, J.-I.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3337101 

A ferroelectric liquid crystal, S-2-methylbutyl 4-n-octanoyloxybiphenyl-4′-carboxylate, undergoing a characteristic polarization inversion, has been studied by 1H nuclear magnetic resonance (NMR). In addition to the discontinuities at the first-order isotropic and recrystallization phase transitions, the nuclear magnetic relaxation revealed a weak anomaly attributed to the soft mode at the Sm-A-Sm-C* liquid crystalline phase transition. Besides, the polarization inversion in the Sm-C* phase was manifested in the nuclear magnetic relaxation as well as in the NMR lineshape and in the temperature-dependent relative peak positions of the NMR line components, indicating that the polarization inversion is associated with a conformational transition.

Published in:
Applied Physics Letters  (Volume:96 ,  Issue: 9 )

Date of Publication: Mar 2010

Page(s):
092903 - 092903-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3337101
Date of Current Version :
08 March 2010
Issue Date :
Mar 2010

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