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Ferroelectricity at the nanoscale

V. M. Fridkin^a, S. Ducharme<sup>b

a</sup> Shubnikov Institute of Crystallography, Russian Academy of Sciences
^b Department of Physics and Astronomy, Nebraska Center for Materials and Nanoscience, University of Nebraska-Linkoln

Abstract: The properties of ferroelectrics at the nanoscale are reviewed. The term nanoscale is here related to the ferroelectric film thickness (which is by an order of magnitude the size of the critical domain nucleus). The three aspects considered are ferroelectric switching, the scaling of the coercive field, and the bulk photovoltaic effect. While ferroelectricity at the nanoscale has a twenty-year history of study, it is only in the last few years that perovskite ferroelectric films have become a focus of interest.

Keywords: Ferroelectric films at the nanoscale; scaling of coercive field.

PACS: 77.55.-g, 77.80.Dj, 77.84.Cg

Received: August 14, 2013
Revised: October 2, 2013
Accepted: October 15, 2013

DOI: 10.3367/UFNr.0184.201406d.0645

 English version: Physics–Uspekhi, 2014, 57:6, 597–603

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