DOI: 10.1063/1.1662770. Depolarization fields in thin ferroelectric films

Depolarization fields in thin ferroelectric films

10.1063/1.1662770

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

A mechanism is proposed to explain depolarization phenomena that have been observed in thin ferroelectric films and related multilayer devices. It is shown that, for a short-circuited electrode-ferroelectric structure, incomplete compensation of the ferroelectric polarization charge results when the center of gravity of this charge and the free compensation charge are not coincident. Depolarization fields in the ferroelectric arising from such incomplete compensations are estimated. A simple switching calculation shows such fields to be of sufficient strength to account for the initial polarization decay rate observed in Pb0.92Bi0.07La0.01 (Fe0.405Nb0.325Zr0.27)O3 films. The results of measurements involving changes in film thickness, electron concentration in the electrodes, and contact materials will be discussed and shown to be consistent with the mechanism proposed.

Bibliography

Mehta, R. R., Silverman, B. D., & Jacobs, J. T. (1973). Depolarization fields in thin ferroelectric films. Journal of Applied Physics, 44(8), 3379â3385.

Authors 3

R. R. Mehta (first)
B. D. Silverman (additional)
J. T. Jacobs (additional)

References 33 Referenced 456

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10.1080/00150197208235310 / Ferroelectrics (1972)
10.1080/00150197208235309 / Ferroelectrics (1972)
{'key': '2024020204531108000_r4'}
{'key': '2024020204531108000_r5', 'first-page': '338', 'volume': '10', 'year': '1963', 'journal-title': 'IEEE Trans. Electron Devices'} / IEEE Trans. Electron Devices (1963)
10.1016/0038-1101(66)90010-4 / Solid-State Electron. (1966)
10.1109/PROC.1966.4889 / Proc. IEEE (1966)
10.1109/T-ED.1967.16115 / IEEE Trans. Electron Devices (1967)
10.1016/0038-1101(68)90091-9 / Solid-State Electron. (1968)
10.1109/T-ED.1969.16793 / IEEE Trans. Electron Devices (1969)
10.1109/T-ED.1969.16802 / IEEE Trans. Electron Devices (1969)
{'key': '2024020204531108000_r12'}
10.1080/00150197208235300 / Ferroelectrics (1972)
10.1002/j.1538-7305.1970.tb01810.x / Bell Syst. Tech. J. (1970)
10.1109/PROC.1971.8097 / Proc. IEEE (1971)
10.1063/1.1660454 / J. Appl. Phys. (1971)
10.1080/00150197208235296 / Ferroelectrics (1972)
10.1080/00150197208241514 / Ferroelectrics (1972)
10.1007/BF01557932 / Czech. J. Phys. (1959)
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{'key': '2024020204531108000_r23'}
{'key': '2024020204531108000_r24'}
10.1080/00150197208235306 / Ferroelectrics (1972)
10.1080/00150197108243941 / Ferroelectrics (1971)
{'key': '2024020204531108000_r27'}
{'key': '2024020204531108000_r28'}
{'key': '2024020204531108000_r29', 'first-page': '266', 'volume': '14', 'year': '1967', 'journal-title': 'J. Electrochem. Soc.'} / J. Electrochem. Soc. (1967)
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Dates

Type	When
Created	21 years, 6 months ago (Feb. 4, 2004, 12:26 p.m.)
Deposited	1 year, 6 months ago (Feb. 1, 2024, 11:53 p.m.)
Indexed	42 minutes ago (Aug. 21, 2025, 7:55 a.m.)
Issued	52 years ago (Aug. 1, 1973)
Published	52 years ago (Aug. 1, 1973)
Published Print	52 years ago (Aug. 1, 1973)

Funders 0

None

BibTeX

@article{Mehta_1973, title={Depolarization fields in thin ferroelectric films}, volume={44}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1662770}, DOI={10.1063/1.1662770}, number={8}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Mehta, R. R. and Silverman, B. D. and Jacobs, J. T.}, year={1973}, month=aug, pages={3379–3385} }

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