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Bilder aus der Forschung des PGI-1/IAS-1

FeCo_Acoustic_jpg

Magnon dispersion of tetragonal FeCo
This image shows the magnon dispersion (acoustic branch) of the B2-type tetragonal FeCo compound along high-symmetry lines in the Brillouin zone. The broadening of the magnon dispersion with increasing energy is due to coupling to single-particle Stoner excitations.

Copyright: Forschungszentrum Jülich
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