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|Title:||Comparative study of the ferromagnetic resonance behavior of coupled rectangular and circular Ni 80 Fe 20 rings|
|Source:||Shimon, G., Adeyeye, A.O., Ross, C.A. (2014-01-07). Comparative study of the ferromagnetic resonance behavior of coupled rectangular and circular Ni 80 Fe 20 rings. Physical Review B - Condensed Matter and Materials Physics 89 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.89.024302|
|Abstract:||A systematic investigation of the dynamic behavior of Ni80Fe20 ring arrays using broadband ferromagnetic resonance spectroscopy as a function of inter-ring spacing and ring thickness is presented. Four distinct resonance modes were found for rectangular rings compared to the two modes seen in circular rings of identical width due to the presence of sharp corners and nonuniform demagnetization field distribution. The resonance peaks were sensitive to the inter-ring spacing and the ring thickness due to magnetostatic coupling. Micromagnetic simulations and analytical calculations are compared with the experiment results. © 2014 American Physical Society.|
|Source Title:||Physical Review B - Condensed Matter and Materials Physics|
|Appears in Collections:||Staff Publications|
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