Pattern formation during mesophase growth in a homologous series

T. Tóth-Katona, T. Börzsönyi, Z. Váradi, J. Szabon, Buka, R. González-Cinca, L. Ramírez-Piscina, J. Casademunt, A. Hernández-Machado

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Remarkable differences in the shape of the nematic–smectic-B interface in a quasi-two-dimensional geometry have been experimentally observed in three liquid crystals of very similar molecular structure, i.e., neighboring members of a homologous series. In the thermal equilibrium of the two mesophases a faceted rectanglelike shape was observed with considerably different shape anisotropies for the three homologs. Various morphologies such as dendritic, dendriticlike, and faceted shapes of the rapidly growing smectic-B germ were also observed for the three substances. Experimental results were compared with computer simulations based on the phase field model. The pattern forming behavior of a binary mixture of two homologs was also studied.

Original languageEnglish
Pages (from-to)1574-1583
Number of pages10
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume54
Issue number2
DOIs
Publication statusPublished - 1996

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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