hal-04106568
https://u-picardie.hal.science/hal-04106568
arxiv:2112.10129
doi:10.21468/SciPostPhys.14.3.056
[UNIV-PICARDIE] Université de Picardie Jules Verne
[U-PICARDIE] Université de Picardie Jules Verne
[LPMC-UPJV] Laboratoire de Physique de la Matière Condensée - UR UPJV 2081
Vortex states in a PbTiO3 ferroelectric cylinder
Kondovych, Svitlana
Pavlenko, Maksim
Tikhonov, Yurii
Razumnaya, Anna
Lukyanchuk, Igor
[PHYS.COND] Physics [physics]/Condensed Matter [cond-mat]
ART
VORTICES
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 PbTiO _3 3 , 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.
2023
en
SciPost Physics
SciPost Foundation