Stability and phase transitions of single-molecular-layer free-standing liquid-crystal films

M. Veum; C. C. Huang; C. F. Chou; V. Surendranath

doi:10.1103/PhysRevE.56.2298

Stability and phase transitions of single-molecular-layer free-standing liquid-crystal films

M. Veum, C. C. Huang, C. F. Chou, V. Surendranath

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We have successfully prepared stable one-layer films of 54COOBC [Formula Presented]-pentyl-[Formula Presented]-pentanoyloxy biphenyl-4-carboxylate] in a small film hole [Formula Presented] mm in diameter) and conducted high-resolution optical reflectance measurements near the smectic-[Formula Presented]–hexatic-[Formula Presented] transition. The stability of these films is contrary to experiences with all other compounds and also to heuristic understanding. We propose a modification to such understanding. Within the resolution of our measurements, data are in good agreement with those of two-layer films. The result gives a confirmation of two-dimensional behavior of two-layer films.

Original language	English (US)
Pages (from-to)	2298-2301
Number of pages	4
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	56
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevE.56.2298
State	Published - 1997

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Stability and phase transitions of single-molecular-layer free-standing liquid-crystal films

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