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Atomistic Spin DynamicsFoundations and Applications$
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Olle Eriksson, Anders Bergman, Lars Bergqvist, and Johan Hellsvik

Print publication date: 2017

Print ISBN-13: 9780198788669

Published to Oxford Scholarship Online: May 2017

DOI: 10.1093/oso/9780198788669.001.0001

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Ferromagnetic Resonance

Ferromagnetic Resonance

(p.139) 8 Ferromagnetic Resonance
Atomistic Spin Dynamics

Olle Eriksson

Anders Bergman

Lars Bergqvist

Johan Hellsvik

Oxford University Press

In the previous chapters we covered theoretical aspects of magnetism and magnetization dynamics, as well as practical aspects of implementation of the SLL equation in efficient softwares. In this chapter we focus on the most natural and frequently used experimental method to study magnetization dynamics, namely ferromagnetic resonance (FMR). This experimental technique has evolved into a powerful experimental technique for studies of magnetization dynamics of materials. It is, by far, the most common method for extracting damping parameters in materials, and is also a reliable technique for estimating precession frequencies of magnetic systems, leading to detection of magnetic g-factor, magnetic anisotropy and saturation magnetism.

Keywords:   Ferromagnetic resonance, demagnetization field, microwave, Kittel equation, Smit-Suhl equation, susceptibility tensor, damping parameter, linewidth, spin wave resonance

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