Heat-capacity studies near the smectic-<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>A</mi></math>—smectic-<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>C</mi></math> (—smectic-<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi>C</mi></mrow><mrow><mo>*</mo></mrow></msup></mrow></math>) transition in a racemic (chiral) smectic liquid crystal

S. C. Lien; C. C. Huang; J. W. Goodby

doi:10.1103/PhysRevA.29.1371

Heat-capacity studies near the smectic- $A$ —smectic- $C$ (—smectic- $C^{*}$ ) transition in a racemic (chiral) smectic liquid crystal

S. C. Lien, C. C. Huang, and J. W. Goodby

Phys. Rev. A 29, 1371 – Published 1 March 1984

Abstract

High-resolution heat-capacity measurements have been carried out on the chiral and racemic versions of 2-methylbutyl-4′- $n$ -pentyloxy-biphenyl-4-carboxylate (2M45OBC). Both smectic- $A$ —smectic- $C$ and smectic- $A$ —chiral-smectic- $C$ transitions are found to be mean-field-like with a large sixth-order term in the Landau free-energy expansion. Our results also shed light on similarities and differences between the chiral and racemic compounds.

Received 1 September 1983

DOI:https://doi.org/10.1103/PhysRevA.29.1371

Authors & Affiliations

S. C. Lien and C. C. Huang

School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455

J. W. Goodby

AT&T Bell Laboratories, Murray Hill, New Jersey 07974

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Vol. 29, Iss. 3 — March 1984

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