Calorimetric and optical-reflectivity study of thin free-standing 64COOBC liquid-crystal films

C. Y. Chao, C. R. Lo, Y. H. Liu, M. Veum, C. C. Huang, V. Surendranath, J. T. Ho

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High-resolution heat-capacity and optical-reflectivity measurements have been conducted on thin free-standing films of n-hexyl-4'-n-pentanoyloxy-biphenyl-4-carboxylate (64COOBC). The data suggest incomplete layer-by-layer liquid-hexatic transitions. The transition in extremely thin films shows a diverging heat-capacity anomaly. The results are compared with those reported in other compounds, and discussed in the context of the theory of two-dimensional melting.

Original languageEnglish (US)
Pages (from-to)499-506
Number of pages8
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
StatePublished - 2001

Bibliographical note

Funding Information:
Acknowledgments One of us (C. Y. C.) acknowledges support from National Science Council, Taiwan, Republic of China, under Grant No. NSC 87-2112-M-008-035.


  • 2D melting theory
  • Liquid-crystal thin films


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