Calorimetric and structural characterization of thin liquid-crystal films exhibiting the smectic- A-hexatic- B-crystal- B transitions

A. J. Jin, M. Veum, T. Stoebe, C. F. Chou, J. T. Ho, S. W. Hui, V. Surendranath, C. C. Huang

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Abstract

High-resolution heat-capacity and electron-diffraction measurements have been conducted on thin free-standing films of a liquid-crystal compound exhibiting the smectic- A-hexatic- B-crystal- B transitions. Despite the absence of herringbone order, the liquid-hexatic transition in extremely thin films has nevertheless been found to show a pronounced pretransitional heat-capacity anomaly, in disagreement with the predictions of two-dimensional melting theory.

Original languageEnglish (US)
Pages (from-to)4863-4866
Number of pages4
JournalPhysical review letters
Volume74
Issue number24
DOIs
StatePublished - 1995

Bibliographical note

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

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