Existence and nature of a smectic-A–hexatic-B–smectic-I point

T. Pitchford, C. C. Huang, J. D. Budai, S. C. Davey, R. Pindak, and J. W. Goodby
Phys. Rev. A 34, 2422 – Published 1 September 1986
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Abstract

The binary-mixture phase diagram of n-propyl-4-n-decyloxybiphenyl-4-carboxylate [3(10)OBC] and n-butyl-4-n-decyloxybiphenyl-4-carboxylate [4(10)OBC] has been investigated by optical microscopy, x-ray diffraction, and heat-capacity studies. Here 3(10)OBC and 4(10)OBC have the isotropic (I)smectic-A (SmA)–hexatic-B and ISmA–smectic-I (SmI) transition sequence, respectively. This binary-mixture study reveals two new features, namely, the existence of the hexatic-B–SmI transition and a SmA–hexatic-B–SmI point where the relevant three phases coexist.

  • Received 10 March 1986

DOI:https://doi.org/10.1103/PhysRevA.34.2422

©1986 American Physical Society

Authors & Affiliations

T. Pitchford and C. C. Huang

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

J. D. Budai, S. C. Davey, R. Pindak, and J. W. Goodby

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

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Vol. 34, Iss. 3 — September 1986

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