Theory of Surface Spin Waves in Itinerant-Electron Ferromagnets
- 9 August 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 37 (6) , 371-375
- https://doi.org/10.1103/physrevlett.37.371
Abstract
Using a simple model for the boundary scattering, it is shown that the Stoner model of an itinerant electron gas with a finite spin polarization exhibits a well-defined surface-spin-wave mode. This mode always lies above the maximum frequency of the corresponding bulk-spin-wave modes and its degree of localization strongly increases with the bulk exchange splitting.Keywords
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