NDLI: Use of room-temperature bias sputtering to decrease intergranular coupling in magnetic media deposited on polymeric substrates

Content Provider	IEEE Xplore Digital Library
Author	Hwan-Soo Lee Lin Wang Bain, J.A. Laughlin, D.E.
Copyright Year	1965
Abstract	CoCrPt thin films sputter-deposited on polymeric substrates without explicit heating were investigated as a function of substrate bias. The coercivity and the coercive squareness in the CoCrPt films were strongly dependent on bias voltage. A significant reduction in the coercive squareness S/sup / from a value near unity was observed with increasing bias voltage, implying a decrease in the degree of intergranular exchange coupling. With the addition of explicit substrate heating, S/sup / was further reduced, and was associated with a significant improvement of coercivity. This paper presents a possible approach to achieve media with acceptably low exchange coupling deposited at temperatures well below the glass transition temperature of polymeric substrates.
Sponsorship	IEEE Magnetics Society
Starting Page	3616
Ending Page	3618
Page Count	3
File Size	227267
File Format	PDF
ISSN	00189464
Volume Number	39
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sputtering Couplings Substrates Polymer films Temperature Magnetostatics Magnetic films Coercive force Glass Magnetic separation
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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