Spin waves in ultrathin ferromagnetic overlayers
arXiv:cond-mat/0010215 · doi:10.1103/PhysRevB.63.174401
Abstract
The influence of a non-magnetic metallic substrate on the spin wave excitations in ultrathin ferromagnetic overlayers is investigated for different crystalline orientations. We show that spin wave dumping in these systems occur due to the tunneling of holes from the substrate into the overlayer, and that the spin wave energies may be considerably affected by the exchange coupling mediated by the substrate.
RevTeX 4, 7 pages, 5 figures; submitted to Phys. Rev. B
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