Journal
JOURNAL OF APPLIED PHYSICS
Volume 103, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2829817
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The dynamic susceptibilities of permalloylike nanowires (20 X 500 X 20 nm(3)) have been investigated using the three-dimensional object oriented micromagnetic framework (OOMMF) code. The investigated systems show two resonant peaks associated with a bulk and an edge mode, which are attributed to the local effective field relevant to the local magnetic moments. A local analysis for ferromagnetic resonance calculation has been developed. It handles the local magnetic moments at the edge and the middle of the nanowire, respectively. The resonant frequencies of the edge mode are directly proportional to M, or root A under the same fundamental length scale, i.e., the exchange length.
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