Macroscopic polarization plays a major role in determining the optical and electrical properties of nitride nanostructures via polarization-induced built-in electrostatic fields. While currently fashionable, this field of endeavour is still by far in its early infancy. Here we contribute some clarifications on the conceptual issues involved in determining built-in fields in III-V nitride nanostructures, sorting out in particular the roles of spontaneous and piezoelectric polarization.
@article{arxiv.cond-mat/9908087,
title = {Spontaneous vs. piezoelectric polarization in III-V nitrides: conceptual aspects and practical consequences},
author = {Fabio Bernardini and Vincenzo Fiorentini},
journal= {arXiv preprint arXiv:cond-mat/9908087},
year = {2015}
}
Comments
RevTeX 5 pages, 3 embedded figures. to appear in phys. status solidi