BPU11 CONGRESS

Planar surfaces of point dipoles as a platform for 2d magnetic structure research

S06-CMPSP-229

30 Aug 2022, 18:00

1h 30m

Restaurant (Serbian Academy of Sciences and Arts)

Board: S06-CMPSP-229

Poster presentation S06 Condensed Matter Physics and Statistical Physics Poster session

Speaker

Sindy Julieth Rodriguez Sotelo (Laboratorio de Física de Superficies e Interfaces, Instituto de Física del Litoral (CONICET-UNL) & Departamento de Física, Facultad de Ingeniería Química (UNL))

Description

Our system consists of planar magnetic structures created by the assembly of point dipoles. The departure point of this work is the known degeneracy of ground states in planar square and triangular packings. The square lattice has a particularly interesting antiferromagnetic ground state exhibiting a transformation from percolating antiferromagnetic chains of dipoles pointing head-tail to a remarkable magnetic vortex configuration [1]. We follow the breakup of degeneracy observed in planar square and triangular packings with a mismatch of the orientation of stacked lattices. We further investigate the ability of these surfaces to carry spin current and manifest the magnetoelectric effect [2].

References
1. I. Stanković, M. Dašić, J.A. Otálora, C. García A platform for nanomagnetism–assembled ferromagnetic and antiferromagnetic dipolar tubes, Nanoscale 11(5), 2521-2535 (2019).
2. H. Katsura, N. Nagaosa, and A. V. Balatsky, Phys. Rev. Lett. 95, 057205 (2005).