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Effect of the texture of Langmuir copolymer films on structural phase transitions

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Abstract

An atomic-force microscopy study has surprisingly revealed that ultrathin copolymer films fabricated according to Langmuir technology constitute a network of tangled filaments. A long-range order is absent in the samples. The observed filaments consist of several parallel-packed copolymer chains. The shape of ferroelectric domains in a film is independent of the direction of copolymer chains. Each domain includes a large number of filaments. The nature of high-temperature (ferroelectric) and low-temperature phase transitions has been discussed in terms of structural data.

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Correspondence to V. B. Zaitsev.

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Original Russian Text © V.B. Zaitsev, A.V. Zaitseva, N.L. Levshin, S.G. Yudin, 2015, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheckoi Fiziki, 2015, Vol. 102, No. 2, pp. 130–134.

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Zaitsev, V.B., Zaitseva, A.V., Levshin, N.L. et al. Effect of the texture of Langmuir copolymer films on structural phase transitions. Jetp Lett. 102, 118–121 (2015). https://doi.org/10.1134/S002136401514012X

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  • DOI: https://doi.org/10.1134/S002136401514012X

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