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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3484

Title: A bilayer model for the chevron structures in surface-stabilised antiferroelectric liquid crystals
Authors: Roy, Arun
Issue Date: Oct-2007
Publisher: Institute of Physics Publishing (IOP)
Citation: Europhysics Letters, 2007, Vol.80, 16004
Abstract: We propose a bilayer model to describe the chevron structures in the surface-stabilized antiferroelectric liquid-crystalline phase or in the anticlinic smectic C (SmCA) phase. We show that i) the chevron structures in the SmCA phase can have three arms as has been observed in some experiments in contrast to the two-arm chevron structures usually found in synclinic smectic C (SmC) phase; ii) surface interactions can stabilize the SmC phase even for compounds which do not exhibit SmC phase in the bulk. For such compounds, we compute the phase diagram in the temperature vs. cell thickness parameter plane and predict a triple point where smectic A phase, SmCA phase and surface-induced SmC phase can coexist.
Description: Restricted Access.
URI: http://hdl.handle.net/2289/3484
ISSN: P-ISSN: 0295-5075
E-ISSN: 1286-4854
Alternative Location: http://dx.doi.org/10.1209/0295-5075/80/16004
Copyright: 2007 IOP Publishing
Appears in Collections:Research Papers (SCM)

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