The piezoelectric response of nanotwinned BaTiO3.

  title={The piezoelectric response of nanotwinned BaTiO3.},
  author={Jirka Hlinka and Petr Ondrejkovi{\vc} and Pavel Marton},
  volume={20 10},
The piezoelectric properties of tetragonal BaTiO(3) crystals with a very high density of 90 degrees twin domain boundaries are analyzed in the framework of the Ginzburg-Landau-Devonshire theory. Computer simulations predict a considerable enhancement of piezoelectric coefficients for domain thicknesses below 50 nm. This enhancement is much larger than the effect of the domain wall broadening mechanism of Rao and Wang (2007 Appl. Phys. Lett. 90 041915), but it is still a too weak effect to… CONTINUE READING

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