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Figure 1 | Nanoscale Research Letters

Figure 1

From: Nonlinear magnetic vortex dynamics in a circular nanodot excited by spin-polarized current

Figure 1

Magnetic vortex dynamics in a thin circular FeNi nanodot. Vortex core steady-state orbit radius u0(J) in the circular FeNi nanodot of thickness L = 7 nm and radius R = 100 nm vs. current J perpendicular to the dot plane. Solid black lines are calculations by Equation 7; red circles mark the simulated points. Inset: sketch of the cylindrical vortex state dot with the core position X and used system of coordinates.

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