Abstract
High-frequency magnetic thin films with cut-off frequencies well above 2 GHz and good magnetoelastic properties are key materials for the development of new magnetic devices such as remote-interrogated magnetoelastic sensors or micro-inductors. In order to achieve high cut-off frequencies the films must have high magnetization, high anisotropy field, moderate permeability and resistivity. Therefore, multilayered thin films consisting of the transition metal alloy Fe/sub 60/Co/sub 60/ and the amorphous soft magnetic alloy Co/sub 80/B/sub 20/ have been developed which show cut-off frequencies higher than 2 GHz combined with good magnetoelastic properties.
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