Open AccessФерромагнитный резонанс в квадратных решетках планарных магнитных элементов крестообразной формы
Author(s) -
Р.В. Горев,
М.В. Сапожников,
В.Л. Миронов
Publication year - 2018
Publication title -
fizika tverdogo tela
Language(s) - English
Resource type - Journals
eISSN - 1726-7498
pISSN - 0367-3294
DOI - 10.21883/ftt.2018.11.46660.23nn
Subject(s) - magnetization , condensed matter physics , physics , ferromagnetic resonance , vortex , planar , amplitude , magnetization dynamics , resonance (particle physics) , sign (mathematics) , magnetic field , quantum mechanics , mathematics , computer science , mathematical analysis , computer graphics (images) , thermodynamics
—Ferromagnetic resonance (FMR) in planar thin film structures comprised of magnetic cross-shaped elements arranged into square lattices has been studied by micromagnetic simulation. FMR spectra and spatial distributions of amplitudes of resonant oscillations were determined for vortex and antivortex states of magnetization in lattice crosses. Resonant modes have the shape of rotating magnetization distributions. Herewith, modes with the same configuration of magnetization but rotating in reverse directions are frequency split. The observed nonreciprocity of propagation of resonant spin oscillations is determined by the sign of magnetization distribution vorticity.