Spontaneous polarization and piezoelectricity in boron nitride nanotubes

@inproceedings{Nakhmanson2003SpontaneousPA,
  title={Spontaneous polarization and piezoelectricity in boron nitride nanotubes},
  author={Serge M. Nakhmanson and Arrigo Calzolari and Vincent Meunier and Jerzy Bernholc and Marco Buongiorno-Nardelli},
  year={2003}
}
Ab initio calculations of the spontaneous polarization and piezoelectric properties of boron nitride nanotubes show that they are excellent piezoelectric systems with response values larger than those of piezoelectric polymers. The intrinsic chiral symmetry of the nanotubes induces an exact cancellation of the total spontaneous polarization in ideal, isolated nanotubes of arbitrary indices. Breaking of this symmetry by intertube interaction or elastic deformations induces spontaneous… CONTINUE READING

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