Zhu, M.
and McMichael, R.
(2011),
Effect of interactions on edge property measurements in magnetic multilayers, Journal of Applied Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906468 (Accessed April 28, 2026)
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Effect of interactions on edge property measurements in magnetic multilayers
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Abstract
This paper reports effects of inter-film interactions on static and dynamic magnetization behavior at film edges in magnetic trilayer stripe arrays under transverse applied fields. The trilayers consist of two magnetic films of Ni80Fe20, 10 nm and 20 nm thick that interact via dipolar fields across thin, nonmagnetic spacers from 1 nm to 20 nm thick. These trilayer films are patterned into stripe arrays by optical interference lithography. Ferromagnetic resonance spectra exhibit separate edge modes that are identified as excitation of edge modes primarily in one magnetic film or the other. When interlayer exchange is negligible, we observe several effects of dipolar edge-edge coupling including shifts of the edge saturation fields and changes in the mode intensity ratio relative to single-film edges. These interaction effects are reproduced by micromagnetic modeling and explained by simple models.Citation
Journal of Applied Physics
Volume
109
Issue
4
Pub Type
Journals
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Keywords
ferromagnetic resonance, edge mode, diploar interactions, magnetic multilayers, micromagnetic simulation
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Created February 25, 2011, Updated February 19, 2017