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Anomalous thermal hysteresis and the diffuseness of phase transitions in K1–x (NH4) x H2PO4 solid solutions

  • Proceedings of the VIII (XIII) International Seminar on the Physics of Ferroelastics
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The diffuseness of ferroelectric (FE) and antiferroelectric (AFE) phase transitions (PTs) in FE–AFE solid solutions of the K1–x(NH4)xH2PO4 type is discussed. A distinct correlation between the PT diffuseness parameter and the width of a PT temperature hysteresis is found. It is shown that these parameters of FE compositions are largely determined by the electrostatic interaction of random-field defects with interphase and domain boundaries.

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Authors and Affiliations

  1. Voronezh Institute of the Ministry of Internal Affairs of the Russian Federation, Voronezh, 394065, Russia

    T. N. Korotkova

  2. Voronezh Institute of the State Fire-Fighting Service of EMERCOM of Russia, Voronezh, 394052, Russia

    D. V. Likhovaya

  3. Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, Lviv, 79011, Ukraine

    R. R. Levitskii

  4. Voronezh State Technical University, Voronezh, 394026, Russia

    L. N. Korotkov

Authors
  1. T. N. Korotkova
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  2. D. V. Likhovaya
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  3. R. R. Levitskii
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  4. L. N. Korotkov
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Corresponding author

Correspondence to L. N. Korotkov.

Additional information

Original Russian Text © T.N. Korotkova, D.V. Likhovaya, R.R. Levitskii, L.N. Korotkov, 2016, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2016, Vol. 80, No. 9, pp. 1150–1153.

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Korotkova, T.N., Likhovaya, D.V., Levitskii, R.R. et al. Anomalous thermal hysteresis and the diffuseness of phase transitions in K1–x (NH4) x H2PO4 solid solutions. Bull. Russ. Acad. Sci. Phys. 80, 1051–1054 (2016). https://doi.org/10.3103/S1062873816090252

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  • DOI: https://doi.org/10.3103/S1062873816090252

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