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Nonlinearity of a ferroelectric layer described using a planar capacitor model

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Abstract

A method for calculating the capacitance-voltage (C-U) characteristic of a planar ferroelectric film capacitor with allowance for the material nonlinearity is proposed. The nonlinear properties of the ferroelectric material are described in terms of the Ginzburg-Devonshir equation under the conditions of minimum free energy of the planar capacitor. An analysis of the results shows that the capacitance of a planar ferroelectric film capacitor can be calculated using the proposed elementary model with a relative error not exceeding 2%.

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Authors and Affiliations

  1. St. Petersburg State Electrotechnical University, St. Petersburg, 197376, Russia

    O. G. Vendik & M. A. Nikol’skii

Authors
  1. O. G. Vendik
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  2. M. A. Nikol’skii
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__________

Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 29, No. 5, 2003, pp. 20–29.

Original Russian Text Copyright © 2003 by Vendik, Nikol’ski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \).

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Vendik, O.G., Nikol’skii, M.A. Nonlinearity of a ferroelectric layer described using a planar capacitor model. Tech. Phys. Lett. 29, 184–187 (2003). https://doi.org/10.1134/1.1565628

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  • DOI: https://doi.org/10.1134/1.1565628

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