Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3383054
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dc.titleCalculation of complex permeability of magnetic composite materials using ferromagnetic resonance model
dc.contributor.authorNeo, C.P.
dc.contributor.authorYang, Y.
dc.contributor.authorDing, J.
dc.date.accessioned2014-10-07T09:47:56Z
dc.date.available2014-10-07T09:47:56Z
dc.date.issued2010-04-15
dc.identifier.citationNeo, C.P., Yang, Y., Ding, J. (2010-04-15). Calculation of complex permeability of magnetic composite materials using ferromagnetic resonance model. Journal of Applied Physics 107 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3383054
dc.identifier.issn00218979
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/86203
dc.description.abstractThe Landau-Lifshitz-Gilbert (LL-G) formula has been widely used in modeling of complex permeability of magnetic thin films and particle composites. In this paper, a approach which is based on Landau-Lifshitz ferromagnetic resonance (LL-FMR) model has been developed to calculate the complex permeability of magnetic particles/insulator matrix composite. It has found that the LL-FMR model can be used to compute the intrinsic permeability of a magnetic particle with different alignments of its magnetic domains with the respect to the incident wave. Through integration with respect to its resonant frequency, this method offers a neat closed-form formula for the case of isotropic composite. Its results compared relatively well with our previous method which computes the isotropic permeability by taking the average of the permeability of a large number of randomly oriented magnetic domains with respect to incident wave based on the LL-G model. For carbonyl bcc-Fe and Fe3 O4, the calculated permeability agrees relatively well with the measurement results. © 2010 American Institute of Physics.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.3383054
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.contributor.departmentPHARMACY
dc.description.doi10.1063/1.3383054
dc.description.sourcetitleJournal of Applied Physics
dc.description.volume107
dc.description.issue8
dc.description.page-
dc.description.codenJAPIA
dc.identifier.isiut000277303200061
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