Write current dependence of transition noise in thin film media

Complex behavior of the noise in thin-film recording media is observed with regard to its dependency on bulk magnetic parameters, recording density, write current, and alloy composition. The pattern of this complex behaviour is the results of the writing process and thus reflects only the bulk magne...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1990-01, Vol.26 (1), p.121-123
Main Authors: Lee, S.Y., Pressesky, J.L., Williams, D., Heiman, N.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit noise
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic films
Magnetic noise
Magnetic properties
Magnetic properties and materials
Magnetic recording
Metals. Metallurgy
Noise figure
Noise level
Physics
Studies of specific magnetic materials
Transistors
Voltage
Writing
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Summary:Complex behavior of the noise in thin-film recording media is observed with regard to its dependency on bulk magnetic parameters, recording density, write current, and alloy composition. The pattern of this complex behaviour is the results of the writing process and thus reflects only the bulk magnetic properties of the medium, whereas the amplitude of the noise voltage is seen to be associated with the nature of the magnetic alloy films.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.50509