Ferromagnetic and Spin-Wave Resonance on Heavy-Metal-Doped Permalloy Films: Temperature Effects
IEEE Magnetics Letters(2017)
摘要
Broadband ferromagnetic resonance (FMR) spectroscopy is used to study the temperature (T) and dopant-concentration dependence of the magnetodynamic properties of Permalloy (Py = Ni80Fe20) and Py100-xMx films, where the dopant M = Pt, Au, and Ag. The saturation magnetization (MS) and Gilbert damping constant (α) are determined from the uniform FMR mode, while the spin wave stiffness (D) is extracte...
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关键词
Magnetic resonance,Temperature measurement,Saturation magnetization,Temperature dependence,Gold,Magnetomechanical effects
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