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Pt-Cr alloy intermediate layer for granular perpendicular media

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3 Author(s)
H. Nemoto ; Central Research Laboratory, Hitachi, Ltd., Odawara-shi, Kanagawa-ken, Japan ; R. Araki ; Y. Hosoe

In this paper, fabrication of intermediate layer (IML) with a Pt-Cr binary alloy system for granular perpendicular media was discussed. Kerr magnetometer was used to obtain hysteresis loops of the co-sputtered Pt-Cr alloy IMLs. The saturation magnetizations Ms and the uniaxial magnetic anisotropy energy Ku were measured with a vibrating sample magnetometer and a torque magnetometer with an applied field of 5 T, respectively. The microscopic structures were examined with transmission electron microscopy (TEM) and the recording performance was characterized by the media SNR at 400 kFCI as measured using a SPT/GMR head.

Published in:

INTERMAG 2006 - IEEE International Magnetics Conference

Date of Conference:

8-12 May 2006