Electric field induced biaxiality and the electro-optic effect in a bent-core nematic liquid crystal

Mamatha Nagaraj, Y. P. Panarin, U. Manna, J. K. Vij, C. Keith, C. Tschierske

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We report the observation of a biaxial nematic phase in a bent-core molecular system using polarizing microscopy, electro-optics, and dielectric spectroscopy, where we find that the biaxiality exists on a microscopic scale. An application of electric field induces a macroscopic biaxiality and in consequence gives rise to electro-optic switching. This electro-optic effect shows significant potential in applications for displays due to its fast high-contrast response. The observed electro-optic switching is explained in terms of the interaction of the ferroelectric clusters with the electric field. © 2010 American Institute of Physics.
    Original languageEnglish
    Article number011106
    JournalApplied Physics Letters
    Volume96
    Issue number1
    DOIs
    Publication statusPublished - 2010

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