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This paper presents a permeameter for the measurement of the complex permeability of magnetic thin films up to several GHz. The permeameter consists of a driving coil and a pickup coil. The magnetic properties of the magnetic thin film sample inserted into the pickup coil cause the change of the coupling between the driving and pickup coil. Then, the complex permeability of the sample can be obtained...
Microdevices like microinductors for modern mobile communication electronics working at high frequencies and with sufficient quality factors are of great interest due to their potential benefits in terms of miniaturization and integration into the overall fabrication process. Toroidal microinductors with a magnetic core with high cut-off frequencies and permeabilities consisting of nanostructured...
This paper presents a new permeameter for measurement of the complex permeability mu of magnetic thin films up to 15 GHz. The permeameter consists of a strip conductor, which acts as an inductor and is loaded with the magnetic material. The geometry is optimized with respect to sensitivity and self resonance by field simulations using HFSS. A new wideband calibration procedure up to the self resonance...
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