Contribution of the spin current to the damping of the magnetic moment precession of Fe impurities in Pd

AUTOR(ES)

Tovar Costa, M. V., Barbosa, A. C. de Castro, Costa Jr., A. T.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2006-09

RESUMO

We investigate the spin dynamics of a magnetic adatom on a non-magnetic surface with strong Stoner enhancement. We find a strong damping of the adatom's magnetization precession and a large shift of the resonance frequency from its bare value. Stoner enhancement in the substrate reduces the damping. We explore the damping dependence on features of the electronic structure.

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