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Parametric pumping of precession modes in ferromagnetic nanodisks
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Engineering Material Physics.ORCID iD: 0000-0003-4889-4210
2014 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 89, no 10, 104422- p.Article in journal (Refereed) Published
Abstract [en]

We report on the parametric excitation of magnetic precession modes in nanodisks using a parallel pumping configuration. The excitations are detected using a ferromagnetic resonance force microscopy method, and the parallel-pumped spectra reveal nonlinear characteristics including instability thresholds and multiple, narrow, sawtooth-shaped resonances. These characteristics are in accord with analytical theory and micromagnetic modeling results. Modeled mode profiles of the excitations show that higher-order standing spin-wave modes with both even and odd symmetries are excited under parallel pumping.

Place, publisher, year, edition, pages
2014. Vol. 89, no 10, 104422- p.
Keyword [en]
Yttrium-Iron-Garnet, Light-Scattering, Resonance, Solitons, Films
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Identifiers
URN: urn:nbn:se:kth:diva-144535DOI: 10.1103/PhysRevB.89.104422ISI: 000333383100001Scopus ID: 2-s2.0-84898724982OAI: oai:DiVA.org:kth-144535DiVA: diva2:714453
Funder
Swedish Research CouncilVinnova
Note

QC 20140428

Available from: 2014-04-28 Created: 2014-04-24 Last updated: 2017-12-05Bibliographically approved

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Belova, Liubov M.

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