Tricriticality near the Smectic-A-Smectic-C Transition of a Liquid-Crystal compound

H. Y. Liu, C. C. Huang, Ch Bahr, G. Heppke

Research output: Contribution to journalArticlepeer-review

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High-resolution calorimetric investigations have been carried out on the chiral and racemic versions of 4-(3-methyl-2-chlorobutanoyloxy)-4- heptyloxybiphenyl. While the chiral compound shows a weakly first-order Smectic-A-chiral-Smectic-C transition, the racemic one exhibits a continuous Smectic-A-Smectic-C transition. The latter transition is found to be at a mean-field tricritical point, within our experimental resolution.

Original languageEnglish (US)
Pages (from-to)345-348
Number of pages4
JournalPhysical review letters
Issue number3
StatePublished - 1988


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