Disentangling intrinsic and extrinsic Gilbert damping
Zhengmeng Xu, Kai Zhang, J. Li
Abstract
Magnetic damping is of great interest due to its importance in magnetization switching and dynamics. Here, we report the quantitative disentanglement of intrinsic and extrinsic Gilbert damping in epitaxial Fe thin films. Both intrinsic damping and two-magnon scattering (TMS) make significant contributions to the total Gilbert damping, leading to an enhanced total damping at low temperature. Our result suggests the correlation between interfacial magnetic anisotropy and TMS.
Topics & Concepts
Magnetic dampingCondensed matter physicsMagnetization dynamicsMagnonAnisotropyMagnetizationPhysicsScatteringDynamics (music)Magnetic anisotropyMaterials scienceFerromagnetismMagnetic fieldQuantum mechanicsVibrationAcousticsMagnetic properties of thin filmsMagnetic Properties and ApplicationsMagneto-Optical Properties and Applications