Thermal variation of surface tension at liquid crystal-isotropic liquid interface

K. P. Mohandas, A. K. George

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The surface tension of two nematic liquid crystals bounded by an isotropic liquid (glycerin) was measured as a function of temperature. A spinning drop technique was used for the measurements. Unlike monotonically decreasing dependence found in most isotropic liquids, the surface tension - temperature characteristic showed more than one region with positive slope in the nematic phase. A sharp increase in surface tension was observed near the nematic-isotropic transition temperature. The results obtained are in qualitative agreement with the theoretical predictions of Croxton and Chandrasekhar.

Original languageEnglish
Pages (from-to)4779-4781
Number of pages3
JournalJournal of Chemical Physics
Volume96
Issue number6
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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