Spin-Wave Dispersion Relation in Fe-Ni Alloys
- 1 February 1968
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 39 (2) , 455-457
- https://doi.org/10.1063/1.2163476
Abstract
Spin‐wave dispersion in Permalloys of composition and was investigated by neutron‐scattering methods. Values of in the expression for the spin‐wave energy, , were found to agree with spin‐wave resonance measurements, but the quartic coefficients were an order of magnitude smaller.
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