Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.89.024302
Title: Comparative study of the ferromagnetic resonance behavior of coupled rectangular and circular Ni 80 Fe 20 rings
Authors: Shimon, G.
Adeyeye, A.O. 
Ross, C.A.
Issue Date: 7-Jan-2014
Citation: 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
URI: http://scholarbank.nus.edu.sg/handle/10635/82073
ISSN: 10980121
DOI: 10.1103/PhysRevB.89.024302
Appears in Collections:Staff Publications

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