Spontaneous polarization and piezoelectricity in boron nitride nanotubes

S. M. Nakhmanson; A. Calzolari; V. Meunier; J. Bernholc; M. Buongiorno Nardelli

doi:10.1103/PhysRevB.67.235406

Spontaneous polarization and piezoelectricity in boron nitride nanotubes

S. M. Nakhmanson, A. Calzolari, V. Meunier, J. Bernholc, M. Buongiorno Nardelli

Engineering Science and Mechanics

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221 Scopus citations

Abstract

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 polarization comparable to those of wurtzite semiconductors.

Original language	English (US)
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.67.235406
State	Published - Jun 10 2003

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.67.235406

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AB - 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 polarization comparable to those of wurtzite semiconductors.

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Spontaneous polarization and piezoelectricity in boron nitride nanotubes

Abstract

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