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Ferroelectric phase transition in Langmuir-Blodgett films of copper phthalocyanine

  • Condensed Matter
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Abstract

A ferroelectric phase transition is observed in Langmuir-Blodgett films prepared from substituted copper phthalocyanine molecules. The linear and nonlinear dielectric properties of the films and the switching of their spontaneous polarization are investigated in the temperature range of the phase transition. The observed features can be explained by the Landau-Ginzburg model of a first-order phase transition.

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Authors and Affiliations

  1. Institute of Crystallography, Russian Academy of Sciences, 117333, Moscow, Russia

    S. G. Yudin, L. M. Blinov, N. N. Petukhova & S. P. Palto

Authors
  1. S. G. Yudin
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  2. L. M. Blinov
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  3. N. N. Petukhova
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  4. S. P. Palto
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Additional information

Pis’ma Zh. Éksp. Teor. Fiz. 70, No. 9, 625–631 (10 November 1999)

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Yudin, S.G., Blinov, L.M., Petukhova, N.N. et al. Ferroelectric phase transition in Langmuir-Blodgett films of copper phthalocyanine. Jetp Lett. 70, 633–640 (1999). https://doi.org/10.1134/1.568227

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  • DOI: https://doi.org/10.1134/1.568227

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