Identification of the dominant precession damping mechanism in Fe, Co, and Ni by first-principles calculations

Abstract

The Landau-Lifshitz equation reliably describes magnetization dynamics using a phenomenological treatment of damping. This paper presents first-principles calculations of the damping parameters for Fe, Co, and Ni that quantitatively agree with existing ferromagnetic resonance measurements. This agreement establishes the dominant damping mechanism for these systems and takes a significant step toward predicting and tailoring the damping constants of new materials.

4 pages, 1 figure

References in corpus (1)

• Low relaxation rate in a low-Z alloy of iron

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