Schneider, M.
, Kos, A.
and Silva, T.
(2004),
Finite coplanar waveguide width effects in pulsed inductive microwave magnetometry, Applied Physics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=31611
(Accessed November 21, 2024)
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Finite coplanar waveguide width effects in pulsed inductive microwave magnetometry
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Author(s)
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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
Volume
85
Issue
2
Pub Type
Journals
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Keywords
ferromagnetic materials, magnetic anisotropy, magnetic thin films, Permalloy
Citation
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Created July 11, 2004, Updated October 12, 2021