Anisotropy field dispersion in recording media

The H/sub k/ distribution was measured in many different commercial samples of particulate and thin-film media. In all cases, relatively large H/sub k/ distributions which do not seem to correlate with the remanence switching field distribution (or coercive squareness) values or with the media noise...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1990-09, Vol.26 (5), p.1891-1893
Main Author: Speliotis, D.E.
Format: Article
Language:English
Subjects:
Anisotropic magnetoresistance
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Crystallization
Exact sciences and technology
Magnetic field measurement
Magnetic properties and materials
Magnetic recording
Magnetization
Particle measurements
Physics
Remanence
Rotation measurement
Shape
Transistors
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Summary:The H/sub k/ distribution was measured in many different commercial samples of particulate and thin-film media. In all cases, relatively large H/sub k/ distributions which do not seem to correlate with the remanence switching field distribution (or coercive squareness) values or with the media noise. This leads to the conclusion that switching field distributions in oriented media do not derive from or relate to the anisotropy field distributions in these media. No media with small anisotropy field distributions were found.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.104559