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American Physical Society, Physical review B, 18(86)

DOI: 10.1103/physrevb.86.184406

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Two-dimensional spectroscopic imaging of individual ferromagnetic nanostripes

Journal article published in 2012 by Han-Jong Chia, Feng Guo, L. M. Belova ORCID, R. D. McMichael ORCID
This paper is available in a repository.
This paper is available in a repository.

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Data provided by SHERPA/RoMEO

Abstract

We use ferromagnetic-resonance force microscopy to spectroscopically image the edge modes in individual 700 nm and 400 nm wide Permalloy stripes with a spatial resolution on the order of 200 nm. The imaging clearly identifies some resonances as edge modes in stripes in a case where mode identification by comparison with micromagnetic modeling is not clear. Combined spectroscopic and spatial scans reveal clear differences in the edge mode resonances at opposite edges of the stripes as well as inhomogeneity along the length of the stripe.