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Keywords:

  • ferroelectric liquid crystals;
  • liquid crystals;
  • piezoelectrics
Thumbnail image of graphical abstract

A new adamantane bent-core liquid crystal exhibiting a metastable ferroelectric phase with large polarization is synthesized and characterized. The material shows reversible switching between a birefringent (opaque) and an optically isotropic (clear) state. In the clear state, the observed piezoelectric constant is comparable to those of commercial solid-state piezotransducers.