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dc.contributor.authorKruglyak, V.V.en_GB
dc.contributor.authorBarman, A.en_GB
dc.contributor.authorHicken, R.J.en_GB
dc.contributor.authorChildress, J.R.en_GB
dc.contributor.authorKatine, J.A.en_GB
dc.date.accessioned2013-01-15T16:50:28Zen_GB
dc.date.accessioned2013-03-20T13:11:14Z
dc.date.issued2005en_GB
dc.description.abstractThe picosecond magnetization dynamics of arrays of square Ni88Fe12∕Co80Fe20 bilayer nanoelements were studied by optical pump-probe measurements. Experimentally observed modes were found to fall upon two branches, with a crossover from the high- to low-frequency regime as the element size was reduced to less than 220 nm. Micromagnetic simulations revealed that the branches are associated with center and edge modes. The edge mode is found to dominate as the element size is reduced so that the magnetic response to a pulsed field becomes less spatially uniform.en_GB
dc.identifier.citationVol. 71 (22), article 220409(R)en_GB
dc.identifier.doi10.1103/PhysRevB.71.220409en_GB
dc.identifier.urihttp://hdl.handle.net/10036/4165en_GB
dc.language.isoenen_GB
dc.publisherAmerican Physical Societyen_GB
dc.relation.urlhttp://dx.doi.org/10.1103/PhysRevB.71.220409en_GB
dc.relation.urlhttp://link.aps.org/doi/10.1103/PhysRevB.71.220409en_GB
dc.titlePicosecond magnetization dynamics in nanomagnets: Crossover to nonuniform precessionen_GB
dc.typeArticleen_GB
dc.date.available2013-01-15T16:50:28Zen_GB
dc.date.available2013-03-20T13:11:14Z
dc.identifier.issn1098-0121en_GB
dc.descriptionCopyright © 2005 The American Physical Societyen_GB
dc.identifier.eissn1550-235Xen_GB
dc.identifier.journalPhysical Review Ben_GB


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