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|Author(s):||Michael L. Schneider; Anthony B. Kos; Thomas J. Silva;|
|Title:||Finite coplanar waveguide width effects in pulsed inductive microwave magnetometry|
|Published:||July 12, 2004|
|Abstract:||The effect of finite coplanar waveguide (CPW) width on the measurement of the resonance frequency in thin ferromagnetic films has been characterized for pulsed inductive microwave magnetometry. A shift in resonant frequency is a linear function of the ratio of sample thickness to CPW width. The proportionality constant is experimentally determined to be 0.74 ± 0.1 times the saturation magnetization of the film. The frequency shift may be modeled as arising from an effective magnetic-anisotropy field.|
|Citation:||Applied Physics Letters|
|Pages:||pp. 254 - 256|
|Keywords:||ferromagnetic materials,magnetic anisotropy,magnetic thin films,Permalloy|
|PDF version:||Click here to retrieve PDF version of paper (105KB)|