Shape-independent permeability model for uniaxially-anisotropic ferromagnetic thin films

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Shape-independent permeability model for uniaxially-anisotropic ferromagnetic thin films

Jamieson, Brice; O'Donnell, Terence; Kulkarni, Santosh; Roy, Saibal
Date: 2010
Copyright: © 2010 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Jamieson, B., O’Donnell, T., Kulkarni, S. and Roy, S. (2010) 'Shape-independent permeability model for uniaxially-anisotropic ferromagnetic thin films', Applied Physics Letters, 96(20), pp. 202509 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3430061
Related: http://aip.scitation.org/doi/abs/10.1063/1.3430061
Citation: Jamieson, B., O’Donnell, T., Kulkarni, S. and Roy, S. (2010) 'Shape-independent permeability model for uniaxially-anisotropic ferromagnetic thin films', Applied Physics Letters, 96(20), pp. 202509. doi: 10.1063/1.3430061
Published Version: 10.1063/1.3430061

Abstract:

A permeability model based on the three-dimensional shape demagnetization effect is developed to estimate the permeability of any uniaxially-anisotropic ferromagnetic thin-film for integrated micromagnetic structures. The model is validated by comparison to measured ferromagnetic thin films (NiFe and CoPRe) with different anisotropies and saturation magnetizations. The dependence of permeability on film-thickness is modeled as a function of the demagnetization effect and verified against fabricated samples of varying thicknesses. (C) 2010 American Institute of Physics. (doi: 10.1063/1.3430061)

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