The Role of Oblique-to-Surface Disposition of Neighbours in the Emergence of Surface Spin Waves in Magnetic Films

• Authors: S. Mamica , R. Józefowicz , H. Puszkarski
• Languages of publication: EN

Abstracts

EN

This work is aimed at a numerical investigation of the spin-wave energies and respective band structures throughout the two-dimensional Brillouin zone in magnetic (cubic) thin films for the surface orientations sc(001), bcc(001) and fcc(001). We apply the Heisenberg localized spin model assuming exchange nearest (NN) and next-nearest (NNN) neighbour interactions and elucidate the role of the geometrical disposition of the NN and NNN neighbourhoods for the emergence of the surface spin-waves. The necessary condition for the emergence of the surface spin-waves is turned out to require the bonds to be cut at the surface obliquely thereto irrespective of whether these "oblique" interactions are of the NN or NNN type.

Keywords

EN

75.70.-i; 75.40.Gb; 75.30.Ds

Discipline

• 75.70.-i: Magnetic properties of thin films, surfaces, and interfaces(for magnetic properties of nanostructures, see 75.75.-c)
• 75.30.Ds: Spin waves(for spin-wave resonance, see 76.50.+g)
• 75.40.Gb: Dynamic properties (dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc.)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1998
• Volume: 94
• Issue: 1
• Pages: 79-91

Dates

published

1998-07

received

1998-06-02

Contributors

author

S. Mamica

• Surface Physics Division, Physics Institute, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

author

R. Józefowicz

• Surface Physics Division, Physics Institute, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

author

H. Puszkarski

• Surface Physics Division, Physics Institute, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

Identifiers

DOI

10.12693/APhysPolA.94.79