Introduction of NiAl as seed layer and domain wall pinning layer for Co-Pd multilayer perpendicular magnetic recording media

The grain size of the Co-Pd multilayer perpendicular magnetic recording media was reduced significantly with the introduction of a NiAl seed layer. The angular dependence of the coercivity data indicated a domain wall pinning effect of the introduced NiAl layer. Improvements were observed in read/wr...

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Veröffentlicht in:	IEEE transactions on magnetics 2002-09, Vol.38 (5), p.2021-2023
Hauptverfasser:	Lianjun Wu, Engwei Soo, Wang, J.P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic force microscopy Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Grain size Magnetic domain walls Magnetic films Magnetic multilayers Magnetic properties and materials Magnetic recording Magnetic recording materials Magnetism Nonhomogeneous media Perpendicular magnetic recording Physics Sputtering Studies of specific magnetic materials Testing
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Zusammenfassung:	The grain size of the Co-Pd multilayer perpendicular magnetic recording media was reduced significantly with the introduction of a NiAl seed layer. The angular dependence of the coercivity data indicated a domain wall pinning effect of the introduced NiAl layer. Improvements were observed in read/write tests on a Co-Pd multilayer medium with a NiAl pinning layer.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2002.801817