Metastable vortex-like polarization textures in ferroelectric nanoparticles of different shapes and sizes

0502362 - FZÚ 2019 RIV US eng J - Journal Article
Pitike, K.C. - Mangeri, John - Whitelock, H. - Patel, T. - Dyer, P. - Alpay, S.P. - Nakhmanson, S.M.
Metastable vortex-like polarization textures in ferroelectric nanoparticles of different shapes and sizes.
Journal of Applied Physics. Roč. 124, č. 6 (2018), s. 1-10, č. článku 064104. ISSN 0021-8979. E-ISSN 1089-7550
Institutional support: RVO:68378271
Keywords : barium-titanate nanoparticles * domain-structures * perovskite nanoparticles * oxide nanocrystals * Bi₂Fe₄O₉ cubes * mie resonances * thin-films * phase * generation
OECD category: Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics
Impact factor: 2.328, year: 2018

The dependence of the polarization texture topology in ferroelectric (FE) PTO nanoparticles, embedded in a dielectric matrix, on the particle shape and size was investigated with a time-dependent Landau-Ginzburg-Devonshire approach combined with coupled-physics finite-element-method based simulations. Particle shapes belonging to the superellipsoidal family were probed, including octahedral, cubic, and intermediate geometries.

Permanent Link: http://hdl.handle.net/11104/0294300