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Title: Evidence of a first-order smectic-A–smectic-C* transition and its approach to tricritical behavior
Authors: Ratna, B.R.
Shashidhar, R.
Nair, Geetha G.
Krishna Prasad, S.
Bahr, Ch.
Heppke, G.
Issue Date: 1-Mar-1988
Publisher: The American Physical Society
Citation: Physical Review A, 1988, Vol.37, 1824
Abstract: Evidence of a first-order smectic-A–smectic-C* (SmA-SmC*) transition is presented. Detailed x-ray studies on 4-(3-methyl-2-chloropentanoyloxy)4’-heptyloxybiphenyl show that the SmA-SmC* transition in this material is characterized by a discontinuous jump in the layer spacing (and hence in the tilt angle) and by a narrow two-phase region in which the density modulations due to the smectic-A and the smectic-C* phases coexist. Addition of a second compound drives the SmA-SmC* transition towards second order.
Description: Presented at the 1st international symposium on ferroelectric liquid Crystals, held in 1987 at Archon, Bordeaux.
ISSN: 1050-2947
1094-1622 (online)
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Copyright: (1988) by the American Physical Society
Appears in Collections:Research Papers (SCM)

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