Effect of magnetic annealing on plated permalloy and domain configurations in thin-film inductive head

Effect of magnetic annealing on plated permalloy and domain configurations in thin-film inductive head

The magnetic annealing behavior of electroplated, 2.00- mu m-thick, NiFe films containing nominally 82% Ni, in the temperature range from 100 to 500 degrees C, was investigated through characterization of the structural properties of full films and the domain configurations of films shaped like an i...

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Veröffentlicht in:IEEE transactions on magnetics 1991-11, Vol.27 (6), p.4452-4457
Hauptverfasser: Kao, A.S., Kasiraj, P.
Format: Artikel
Sprache:eng
Schlagworte:
Annealing
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electrons
Exact sciences and technology
Magnetic analysis
Magnetic domains
Magnetic films
Magnetic properties
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Magnetostriction
Metals. Metallurgy
Physics
Stress measurement
Temperature distribution
X-ray diffraction
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Zusammenfassung:The magnetic annealing behavior of electroplated, 2.00- mu m-thick, NiFe films containing nominally 82% Ni, in the temperature range from 100 to 500 degrees C, was investigated through characterization of the structural properties of full films and the domain configurations of films shaped like an inductive-head yoke. A transition in the magnetic properties of the films was observed in the temperature regime of 350-450 degrees C. Concomitant changes in film stress from 0.2 to 1.4 GPa and in magnetostriction from -2.2 to -3.5*10/sup -6/ were measured across the transition. Transmission electron micrographs and X-ray diffraction analysis showed that recrystallization with
ISSN:0018-9464
1941-0069
DOI:10.1109/20.278660