A Simple Model for Transition Width and Cluster Size in Perpendicular Recording

A Simple Model for Transition Width and Cluster Size in Perpendicular Recording

A modified slope model is proposed that allows a determination of the transition parameter and the cluster size for perpendicular recording. The presence of the field gradient in the down-track direction causes the clusters to be smaller in the down-track than in the cross-track direction. The resul...

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Veröffentlicht in:IEEE transactions on magnetics 2007-06, Vol.43 (6), p.2283-2285
Hauptverfasser: Richter, H.J., Dobin, A.Y.
Format: Artikel
Sprache:eng
Schlagworte:
Accuracy
Cluster size
Clusters
Computer simulation
Cross-disciplinary physics: materials science
rheology
Demagnetization
Exact sciences and technology
Geometry
Grain size
Magnetic heads
Magnetic properties
Magnetic recording
Magnetism
Magnetization
Materials science
Mathematical models
Micromagnetics
Other topics in materials science
Perpendicular magnetic recording
perpendicular recording
Physics
Recording
slope model
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Beschreibung
Zusammenfassung:A modified slope model is proposed that allows a determination of the transition parameter and the cluster size for perpendicular recording. The presence of the field gradient in the down-track direction causes the clusters to be smaller in the down-track than in the cross-track direction. The results are in good agreement with micromagnetic simulations for a wide range of parameters
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2007.892323