Volume 98, Number 1, April 2012
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||11 April 2012|
Theory of ion-chirality relation in ferroelectric liquid crystals
Department of Physics, University of Kalyani - Kalyani, Nadia-741235, West Bengal, India
Accepted: 5 March 2012
The presence of impurity ions in ferroelectric liquid crystals (FLC) could produce a significant impact on the chirality of the medium with a possible modification in the polarization profile of the system. We theoretically observed these possibilities by considering an in-plane and bulk free energy density for the sample. Based on a suitable chirality transfer formalism, we explained the role of impurity ions in altering the chiral nature of a FLC medium. A continuous transition from modulated phases to uniform phases is also predicted within the framework of this theory. Then, we investigated the possible modification in the polarization profile driven by ionic impurities.
PACS: 61.30.−v – / 64.60.Ej – / 64.70.mf –
© EPLA, 2012
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