Magnetic and magnetoresistive properties of multilayered permalloy thin films

This study clarifies the magnetic and magnetoresistive properties of multi-layered Permalloy thin films with different magnetostrictions. The films consist of two, four and eight layers of Ni-17wt.%Fe and Ni-22wt.%Fe. The total film thickness is 36 nm. The film coercivity and magnetostriction decrea...

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Bibliographic Details
Published in:Thin solid films 1988-04, Vol.158 (2), p.167-174
Main Authors: Kitada, Masahiro, Shimizu, Noboru
Format: Article
Language:English
Subjects:
Analysing. Testing. Standards
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Materials science
Measurement of properties and materials state
Metals, semimetals and alloys
Metals. Metallurgy
Nondestructive testing
Physics
Specific materials
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Summary:This study clarifies the magnetic and magnetoresistive properties of multi-layered Permalloy thin films with different magnetostrictions. The films consist of two, four and eight layers of Ni-17wt.%Fe and Ni-22wt.%Fe. The total film thickness is 36 nm. The film coercivity and magnetostriction decrease as the number of layers increases. The magnetoresistivity increases as the number of layers increases. The effect of the magnetostriction on the magnetoresistive response of the thin film element decreases as the number of layers increases. The coercivity and magnetic domain depth profiles show a periodic change.
ISSN:0040-6090
1879-2731
DOI:10.1016/0040-6090(88)90019-3