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  • Vortex states in a ▫$PbTiO_3$▫ ferroelectric cylinder
    Kondovych, Svitlana ...
    The past decade's discovery of topological excitations in nanoscale ferroelectrics has turned the prevailing view that the polar ground state in these materials is uniform. However, the systematic ... understanding of the topological polar structures in ferroelectrics is still on track. Here we study stable vortex-like textures of polarization in the nanocylinders of ferroelectric PbTiO3, arising due to the competition of the elastic and electrostatic interactions. Using the phase-field numerical modeling and analytical calculations, we show that the orientation of the vortex core with respect to the cylinder axis is tuned by the geometrical parameters and temperature of the system.
    Vir: SciPost physics [Elektronski vir]. - ISSN 2542-4653 (Vol. 14, iss. 3, [article no.] 056, Mar. 2023, str. 1-19)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2023
    Jezik - angleški
    COBISS.SI-ID - 188043011

    Povezava(-e):

    https://scipost.org/10.21468/SciPostPhys.14.3.056
    DOI

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