Structural phase transitions in liquid-crystal films induced by an applied electric field.

C. M. Chen, F. C. Mackintosh

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We study structural phase transitions among modulated phases of liquid-crystal films. As a function of an applied electric field, we find that both square-lattice and hexagonal modulated phases are possible. The latter are similar to hexagonal phases predicted for smectic-C* films. In contrast with reconstructive transitions, however, we predict that the square-lattice modulated phase can undergo a continuous evolution to the hexagonal phase. Intermediate between these two phases is a phase of lower symmetry.

Original languageEnglish
Pages (from-to)215-220
Number of pages6
Issue number4
Publication statusPublished - 1995 May 1


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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