The Emergence of Subsurface Spin-Waves in fcc (110) Magnetic Films |
| S. Mamicaa, H. Puszkarskib and J.C.S. Lévyb a Surface Physics Division, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland b Laboratoire de Physique Théorique de la Matière Condensée Université Paris 7-Denis Diderot, 2 Place Jussieu, 75221 Paris Cedex 05, France |
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| We show that the emergence of subsurface branches in the spin-wave spectra of thin films is due to the deficiency of interactions with next-nearestneighbours, the position vectors of which are oblique to the film surface. |
| DOI: 10.12693/APhysPolA.97.483 PACS numbers: 75.70.-i, 75.40.Gb, 75.30.Ds |