Spin Vortex Resonance in Non-planar Ferromagnetic Dots

Ding, Junjia; Lapa, Pavel; Jain, Shikha; Khaire, Trupti; Lendinez, Sergi; Zhang, Wei; Jungfleisch, Matthias B.; Posada, Christian M.; Yefremenko, Volodymyr G.; Pearson, John E.; Hoffmann, Axel; Novosad, Valentine

doi:10.1038/srep25196

Title: Spin Vortex Resonance in Non-planar Ferromagnetic Dots

Journal Article · Wed May 04 00:00:00 EDT 2016 · Scientific Reports

DOI:https://doi.org/10.1038/srep25196· OSTI ID:1356659

Ding, Junjia ^[1]; Lapa, Pavel ^[2]; Jain, Shikha ^[1]; Khaire, Trupti ^[1]; Lendinez, Sergi ^[1]; Zhang, Wei ^[1]; Jungfleisch, Matthias B. ^[1]; Posada, Christian M. ^[1]; Yefremenko, Volodymyr G. ^[1]; Pearson, John E. ^[1]; Hoffmann, Axel ^[1]; Novosad, Valentine ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Texas A & M Univ., College Station, TX (United States)

In planar structures, the vortex resonance frequency changes little as a function of an in-plane magnetic field as long as the vortex state persists. Altering the topography of the element leads to a vastly different dynamic response that arises due to the local vortex core confinement effect. In this work, we studied the magnetic excitations in non-planar ferromagnetic dots using a broadband microwave spectroscopy technique. Two distinct regimes of vortex gyration were detected depending on the vortex core position. The experimental results are in qualitative agreement with micromagnetic simulations.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1356659

Journal Information:: Scientific Reports, Vol. 6; ISSN 2045-2322

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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Cited By (3)

Probing dynamics of micro-magnets with multi-mode superconducting resonator Golovchanskiy, I. A.; Abramov, N. N.; Stolyarov, V. S. Journal of Applied Physics, Vol. 123, Issue 17 https://doi.org/10.1063/1.5025028	journal	May 2018
Collective magnetization dynamics in nanoarrays of thin FePd disks Ciuciulkaite, Agne; Östman, Erik; Brucas, Rimantas Physical Review B, Vol. 99, Issue 18 https://doi.org/10.1103/physrevb.99.184415	journal	May 2019
Collective magnetization dynamics in nano-arrays of thin FePd discs Ciuciulkaite, Agne; Östman, Erik; Brucas, Rimantas arXiv https://doi.org/10.48550/arxiv.1902.00403	text	January 2019

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