Magnetocrystalline anisotropy of sputtered Fe sub x Co sub 1-x alloy films on MgO(001) studied by FMR

Magnetocrystalline anisotropy of sputtered Fe sub x Co sub 1-x alloy films on MgO(001) studied by FMR

Ferromagnetic resonance (FMR) investigations (9-92 GHz) of the magnetocrystalline anisotropy, K sub 1 , of Fe sub x Co sub 1-x alloy films are presented. The samples were prepared on MgO (001) substrates by rf sputtering. The bcc-fcc transition is found at approxx=0.15, which is also reflected in a...

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Veröffentlicht in:Journal of magnetism and magnetic materials 1994-08, Vol.148 (1-2), p.127-128
Hauptverfasser: Pflaum, J, Schreiber, F, Muhge, T H, Pelzl, J
Format: Artikel
Sprache:eng
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Zusammenfassung:Ferromagnetic resonance (FMR) investigations (9-92 GHz) of the magnetocrystalline anisotropy, K sub 1 , of Fe sub x Co sub 1-x alloy films are presented. The samples were prepared on MgO (001) substrates by rf sputtering. The bcc-fcc transition is found at approxx=0.15, which is also reflected in a maximum of the FMR linewidth. K sub 1 (x) follows qualitatively the bulk behavior, but the change of sign occurs at x=0.7, which is higher than in bulk samples. Additional temperature dependent measurements are shown.
ISSN:0304-8853