Spontaneous polarization and piezoelectric constants of III-V nitrides

Bernardini, Fabio; Fiorentini, Vincenzo; Vanderbilt, David

doi:10.1103/physrevb.56.r10024

Public

Spontaneous polarization and piezoelectric constants of III-V nitrides

Published in Physical review. B, Condensed matter • Oct 15, 1997

Authors:

Fabio Bernardini

Vincenzo Fiorentini

David Vanderbilt

Abstract

The spontaneous polarization, dynamical Born charges, and piezoelectric constants of the III-V nitrides AlN, GaN, and InN are studied ab initio using the Berry-phase approach to polarization in solids. The piezoelectric constants are found to be up to ten times larger than in conventional III-V and ...

Subject

Piezoelectricity

Polarization (electrochemistry)

Ab initio

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