Multilayered FeCo/FeCo-O soft magnetic films for recording applications

S. N. Piramanayagam; E. W. Soo; J. P. Wang

doi:10.1109/INTMAG.2002.1000674

Multilayered FeCo/FeCo-O soft magnetic films for recording applications

S. N. Piramanayagam, E. W. Soo, J. P. Wang

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

For recording applications in head materials and in double-layered perpendicular recording media, soft magnetic films with high saturation flux density (B_s), low coercivity (H_c), high resistivity, smaller grain size (D), etc. are desired. FeCo is a soft magnetic material with high B_s. However, a single FeCo layer cannot be used because it has a larger D, larger H_c and low permeability. Recently, we have prepared FeCo/C type of multilayers for application in double layered perpendicular recording media, which showed better performance than FeCo films. In this report, we propose FeCo/FeCo-O multilayers, which showed even better promising properties, for applications in perpendicular recording media and write heads.

Original language	English (US)
Title of host publication	INTERMAG Europe 2002 - IEEE International Magnetics Conference
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	0780373650, 9780780373655
DOIs	https://doi.org/10.1109/INTMAG.2002.1000674
State	Published - Jan 1 2002
Event	2002 IEEE International Magnetics Conference, INTERMAG Europe 2002 - Amsterdam, Netherlands Duration: Apr 28 2002 → May 2 2002

Other

Other	2002 IEEE International Magnetics Conference, INTERMAG Europe 2002
Country/Territory	Netherlands
City	Amsterdam
Period	4/28/02 → 5/2/02

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Piramanayagam, SN, Soo, EW & Wang, JP 2002, Multilayered FeCo/FeCo-O soft magnetic films for recording applications. in INTERMAG Europe 2002 - IEEE International Magnetics Conference., 1000674, Institute of Electrical and Electronics Engineers Inc., 2002 IEEE International Magnetics Conference, INTERMAG Europe 2002, Amsterdam, Netherlands, 4/28/02. https://doi.org/10.1109/INTMAG.2002.1000674

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abstract = "For recording applications in head materials and in double-layered perpendicular recording media, soft magnetic films with high saturation flux density (Bs), low coercivity (Hc), high resistivity, smaller grain size (D), etc. are desired. FeCo is a soft magnetic material with high Bs. However, a single FeCo layer cannot be used because it has a larger D, larger Hc and low permeability. Recently, we have prepared FeCo/C type of multilayers for application in double layered perpendicular recording media, which showed better performance than FeCo films. In this report, we propose FeCo/FeCo-O multilayers, which showed even better promising properties, for applications in perpendicular recording media and write heads.",

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AB - For recording applications in head materials and in double-layered perpendicular recording media, soft magnetic films with high saturation flux density (Bs), low coercivity (Hc), high resistivity, smaller grain size (D), etc. are desired. FeCo is a soft magnetic material with high Bs. However, a single FeCo layer cannot be used because it has a larger D, larger Hc and low permeability. Recently, we have prepared FeCo/C type of multilayers for application in double layered perpendicular recording media, which showed better performance than FeCo films. In this report, we propose FeCo/FeCo-O multilayers, which showed even better promising properties, for applications in perpendicular recording media and write heads.

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Multilayered FeCo/FeCo-O soft magnetic films for recording applications

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