DOI: 10.1063/1.2032601. Dielectric anomaly due to electrostatic coupling in ferroelectric-paraelectric bilayers and multilayers

Dielectric anomaly due to electrostatic coupling in ferroelectric-paraelectric bilayers and multilayers

10.1063/1.2032601

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

A thermodynamic model is presented that describes the polarization and the dielectric response of ferroelectric-paraelectric bilayers and multilayers. It is shown that a strong electrostatic coupling between the layers results in the suppression of ferroelectricity at a critical paraelectric layer thickness. The bilayer is expected to have a gigantic dielectric response similar to the dielectric anomaly near Curie–Weiss temperature in homogeneous ferroelectrics at this critical thickness. A numerical analysis is carried out for a pseudomorphic (001) BaTiO3∕SrTiO3 heteroepitaxial bilayer on (001) SrTiO3 and a stress-free BaTiO3∕SrTiO3 bilayer. Complete polarization suppression and a dielectric peak are predicted to occur at approximately 66% and 14% of SrTiO3 in these two systems, respectively.

Bibliography

Roytburd, A. L., Zhong, S., & Alpay, S. P. (2005). Dielectric anomaly due to electrostatic coupling in ferroelectric-paraelectric bilayers and multilayers. Applied Physics Letters, 87(9).

Authors 3

A. L. Roytburd (first)
S. Zhong (additional)
S. P. Alpay (additional)

References 26 Referenced 153

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Dates

Type	When
Created	20 years ago (Aug. 19, 2005, 6 p.m.)
Deposited	2 years, 2 months ago (June 30, 2023, 10:55 p.m.)
Indexed	1 month ago (July 30, 2025, 6:46 a.m.)
Issued	20 years ago (Aug. 22, 2005)
Published	20 years ago (Aug. 22, 2005)
Published Online	20 years ago (Aug. 22, 2005)
Published Print	20 years ago (Aug. 29, 2005)

Funders 0

None

BibTeX

@article{Roytburd_2005, title={Dielectric anomaly due to electrostatic coupling in ferroelectric-paraelectric bilayers and multilayers}, volume={87}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2032601}, DOI={10.1063/1.2032601}, number={9}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Roytburd, A. L. and Zhong, S. and Alpay, S. P.}, year={2005}, month=aug }

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