Unusual layer-thinning transition observed near the smectic-a-isotropic transition in free-standing liquid-crystal films

T. Stoebe, P. MacH, C. C. Huang

Research output: Contribution to journalArticlepeer-review

151 Scopus citations

Abstract

Calorimetric and optical reflectivity studies on free-standing partially fluorinated liquid-crystal films have revealed novel melting phenomena. The smectic-A-isotropic transition occurs through a series of layer-thinning transitions, causing the films to thin in a stepwise manner as the temperature is increased. The temperature dependence of the film thickness has been found to be well fitted by a simple power law. These results are discussed in the context of present theory and the effects of fluorination are addressed.

Original languageEnglish (US)
Pages (from-to)1384-1387
Number of pages4
JournalPhysical Review Letters
Volume73
Issue number10
DOIs
StatePublished - Jan 1 1994

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