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Spin-Polarized Electron Energy Loss Spectroscopy of High Energy, Large Wave Vector Spin Waves in Ultrathin fcc Co Films on Cu(001)

2003; American Physical Society; Volume: 91; Issue: 14 Linguagem: Inglês

10.1103/physrevlett.91.147201

ISSN

1092-0145

Autores

R. Vollmer, Markus Etzkorn, P. S. Anil Kumar, H. Ibach, J. Kirschner,

Tópico(s)

Physics of Superconductivity and Magnetism

Resumo

The realm of high energy, large wave vector spin waves in ultrathin films and at surfaces is unexplored because a suitable method was not available up to now. We present experimental data for an 8 ML thick Co film deposited on Cu(001) which show that spin-polarized electron energy loss spectroscopy can be used to measure spin-wave dispersion curves of ultrathin ferromagnetic films up to the surface Brillouin zone boundary.

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