Nature of a Nematic-Smectic-A-Smectic-C Multicritical Point

Cheng-Cher Huang, S. C. Lien

Research output: Contribution to journalArticlepeer-review

60 Scopus citations


Recent x-ray data on the angles and 2-theta shifts in the smectic-C phase of a binary liquid-crystal mixture were analyzed via a mean-field theory. We demonstrated that the smectic-A-smectic-C transitions (AC) are mean-field-like. This conclusion is consistent with recent heat-capacity data along the AC transition line. Furthermore, the nematic-smectic-A-smectic-C point in this binary mixture is found to be in the vicinity of the tricritical point along the AC and nematic-smectic-C transition line.

Original languageEnglish (US)
Pages (from-to)1917-1920
Number of pages4
JournalPhysical Review Letters
Issue number26
StatePublished - Jan 1 1981


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