Local electrical characterization of resonant magnetization motion in a single ferromagnetic sub-micrometer particle in lateral geometry - art. no. 012405

[摘要]：In this article, a detailed characterization of a magnetization motion in a single sub-micrometer and multi-terminal ferromagnetic structure in lateral geometry is performed in a GHz regime using direct DC characterization technique. We have shown applicability of the Stoner-Wohlfarth model [E. C. Stoner and E. P. Wohlfarth, Philos. Trans. R. Soc. London, Ser. A 240, 599 (1948)] to the long (large length to width ratio) magnetic nano-structure. Applying the model to experimental data, we are able to extract relevant magnetization motion parameters and show a correlation between high frequency inductive currents and local magnetization. DC voltage generated over the structure at the resonance, with external magnetic field under an angle to the shape anisotropy axis, is explained. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3673908]

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