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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.|
Nair, Geetha G.
Krishna Prasad, S.
|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.|
|Alternative Location: ||http://link.aps.org/abstract/PRA/v37/p1824|
|Copyright: ||(1988) by the American Physical Society|
|Appears in Collections:||Research Papers (SCM)|
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