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Fixed volume effect on polar properties and phase diagrams of ferroelectric semi-ellipsoidal nanoparticles

Author

Listed:
  • Eugene A. Eliseev

    (Institute for Problems of Materials Science, National Academy of Sciences of Ukraine)

  • Victoria V. Khist

    (Institute of Magnetism, National Academy of Sciences of Ukraine and Ministry of Education and Science of Ukraine)

  • Yevhen M. Fomichov

    (Institute for Problems of Materials Science, National Academy of Sciences of Ukraine)

  • Maxim V. Silibin

    (National Research University of Electronic Technology “MIET”
    Institute for Bionic Technologies and Engineering, I.M. Sechenov First Moscow State Medical University)

  • George S. Svechnikov

    (Sikorsky Kyiv Polytechnic Institute)

  • Andrei L. Kholkin

    (University of Aveiro)

  • Dmitry V. Karpinsky

    (National Research University of Electronic Technology “MIET”
    Scientific-Practical Materials Research Centre of NAS of Belarus)

  • Vladimir V. Shvartsman

    (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen)

  • Anna N. Morozovska

    (Institute of Physics, National Academy of Sciences of Ukraine)

Abstract

For advanced applications in modern industry, it is very important to reduce the volume of ferroelectric nanoparticles without serious deterioration of their polar properties. In many practically important cases, the fixed volume (rather than the fixed size) corresponds to realistic technological conditions of nanoparticles fabrication. The letter is focused on the theoretical study of the behavior of ferroelectric polarization, paramagnetoelectric coefficient and phase diagrams of semi-ellipsoidal nanoparticles with a fixed volume V. Our approach combines the Landau-Ginzburg-Devonshire phenomenology, the classical electrostatics, and the elasticity theory. Our results show that the size effects on the phase diagrams and polarization of semi-ellipsoidal BiFeO3 nanoparticles nontrivially depend on V. These findings provide a path to optimize the polar properties of nanoparticles by controlling their phase diagrams at a fixed volume.

Suggested Citation

  • Eugene A. Eliseev & Victoria V. Khist & Yevhen M. Fomichov & Maxim V. Silibin & George S. Svechnikov & Andrei L. Kholkin & Dmitry V. Karpinsky & Vladimir V. Shvartsman & Anna N. Morozovska, 2018. "Fixed volume effect on polar properties and phase diagrams of ferroelectric semi-ellipsoidal nanoparticles," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 91(7), pages 1-8, July.
    • Handle: RePEc:spr:eurphb:v:91:y:2018:i:7:d:10.1140_epjb_e2018-90133-6
    DOI: 10.1140/epjb/e2018-90133-6
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    Keywords

    Statistical and Nonlinear Physics;

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