The Ferroelectricity at the Nanoscale

Abstract

The review of ferroelectric properties at the nanoscale is presented. Determining the nanoscale, authors bear in mind the film thickness equal by the order of value to the size of critical domain nucleus. Three phenomena are considered: ferroelectric switching, scaling of coercive field and bulk photovoltaic effect. The investigation of ferroelectricity at the nanoscale started 20 years ago. The nanoscaled ferroelectrics with perovskite structure came to be considered only the last few years.

Keywords:

• Ferroelectricity
• nanoscale

Acknowledgments

The authors are grateful to A. Tagantsev for useful comments.