Size Effects in Dynamics of Dipolar Planar Nanosystems

H. Puszkarski; J.-C.S. Lévy; M. Krawczyk

doi:10.4028/www.scientific.net/SSP.99-100.223

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Size Effects in Dynamics of Dipolar Planar Nanosystems

Abstract:

The equations of motion are derived for a magnetic planar system with dipolar interactions taken into account. Magnetostatic waves propagating perpendicularly to the sample surface and dipolar field static and dynamic components are calculated for the case when saturating field is applied perpendicularly to the sample surface. The corresponding frequency spectra and mode profiles are computed numerically with emphasis laid on size effects. It is established that two lowest-frequency modes are surface-localized modes. These modes preserve their surface-localized character with growing sample dimensions.

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Periodical:

Solid State Phenomena (Volumes 99-100)

Pages:

223-226

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.99-100.223

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Online since:

July 2004

Authors:

H. Puszkarski, J.-C.S. Lévy, M. Krawczyk

Keywords:

Dipolar Fields, Magnetostatic Waves, Size Effect, Surface Modes

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References

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