Journal of the Magnetics Society of Japan
Online ISSN : 1880-4004
Print ISSN : 0285-0192
ISSN-L : 0285-0192
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Magnetic Properties and Microstructure of CoCrTa/Cr Magnetic Recording Media
H. Murata, H. Kogure, K. Ichikawa, T. Shinohara
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Keywords: longitudinal recording media, CoCrTa, Cr underlayer, TEM, grain size, coercivity, microstructure, Cr segregation, crystalline orientation
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1992 Volume 16 Issue 3 Pages 541-546

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Abstract
  High density recording requires longitudinal magnetic recording media with high coercivity and low noise. We report our studies of magnetic and microstructural properties of high coercivity CoCrTa films. A coercivity value of 2450 Oe was obtained applying high bias voltage for substrate. Microstructural analysis by TEM and electron diffraction method revealed that high coercivity film shows c-axis of the film is highly oriented in the film plane.
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© 1992 by The Magnetics Society of Japan
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