Unusual thickness-dependent thermal behavior and anticlinic coupling in chiral smectic free-standing liquid-crystal films

C. Y. Chao, C. R. Lo, P. J. Wu, Y. H. Liu, D. R. Link, J. E. Maclennan, N. A. Clark, M. Veum, C. C. Huang, J. T. Ho

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Heat-capacity and optical measurements in free-standing films of a chiral smectic liqui-crystal material which exhibits novel fluctuation effects, as well as a remarkable set of N-dependent transitions among different states of tilt organization were carried out. It was found that the profiles of the associated heat-capacity anomalies are strongly thickness dependent and exhibit a novel crossover behavior in reduced dimensions. Further, the anticlinic coupling between tilted surface layers in the smectic-A phase was characterized.

Original languageEnglish (US)
Pages (from-to)4048-4051
Number of pages4
JournalPhysical Review Letters
Volume86
Issue number18
DOIs
StatePublished - Apr 30 2001

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