Dissipation characteristics of quantized spin waves in nano-scaled magnetic ring structures

B. Hillebrands; B. Leven; B. Obry; C.W. Sandweg; H. Schultheiss; S.J. Hermsdoerfer; S. Schaefer

arxiv: 0804.2200 · v1 · submitted 2008-04-14 · ❄️ cond-mat.mtrl-sci · cond-mat.other

Dissipation characteristics of quantized spin waves in nano-scaled magnetic ring structures

H. Schultheiss , C.W. Sandweg , B. Obry , S.J. Hermsdoerfer , S. Schaefer , B. Leven , B. Hillebrands This is my paper

classification ❄️ cond-mat.mtrl-sci cond-mat.other

keywords dissipationcharacteristicsfoundmagneticmodequasi-eigenmodesringspin-wave

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The spatial profiles and the dissipation characteristics of spin-wave quasi-eigenmodes are investigated in small magnetic Ni$_{81}$Fe$_{19}$ ring structures using Brillouin light scattering microscopy. It is found, that the decay constant of a mode decreases with increasing mode frequency. Indications for a contribution of three-magnon processes to the dissipation of higher-order spin-wave quasi-eigenmodes are found.

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Dissipation characteristics of quantized spin waves in nano-scaled magnetic ring structures

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