Electrodeposition of FePt magnetic material and embedding into alumina-nanoholes

Electrodeposition of FePt magnetic material and embedding into alumina-nanoholes

FePt alloys have been electrodeposited from a stable bath containing Fe complex. Properties of FePt films are affected by post-annealing conditions. Changes of the annealing atmosphere from vacuum to H/sub 2/ bring about the improvement of the L1/sub 0/ FePt properties because of the reduction of Fe...

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Veröffentlicht in:IEEE transactions on magnetics 2005-10, Vol.41 (10), p.3349-3351
Hauptverfasser: Ichihara, S., Ueda, M., Den, T.
Format: Artikel
Sprache:eng
Schlagworte:
Alumina-nanoholes
Annealing
Applied sciences
Atmosphere
Coercive force
Costs
Cross-disciplinary physics: materials science
rheology
electrodeposition
Electrodes
Exact sciences and technology
Iron alloys
Magnetic films
Magnetic materials
Magnetic recording
Magnetism
Materials science
Metallic coatings
Metals. Metallurgy
Other topics in materials science
Physics
Production techniques
reduction of FePt films
Substrates
Surface treatment
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Zusammenfassung:FePt alloys have been electrodeposited from a stable bath containing Fe complex. Properties of FePt films are affected by post-annealing conditions. Changes of the annealing atmosphere from vacuum to H/sub 2/ bring about the improvement of the L1/sub 0/ FePt properties because of the reduction of Fe oxide in the as-deposited films. The coercivity of 6 kOe is achieved by postannealing at less than 400/spl deg/C in H/sub 2/. This FePt alloy is uniformly embedded into anodic alumina-nanoholes, forming the excellent L1/sub 0/ ordered phase.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2005.854704